diff --git a/README.md b/README.md
index 590b21e06..35f44c5d8 100644
--- a/README.md
+++ b/README.md
@@ -75,23 +75,23 @@ Things might work in Edge 15-18, Firefox 47-62 and Chrome 54-68 due to one polyf
 
 |js/*       	|1.14.0 	|native 	|gzip 1.14	|gzip   	|
 |-----------	|--------:	|--------:	|--------:	|--------:	|
-|admin.js    	|2.130.942	|1.133.275	|  485.481	|  274.632	|
-|app.js      	|4.184.455	|2.844.189	|  932.725	|  664.075	|
+|admin.js    	|2.130.942	|1.130.247	|  485.481	|  273.277	|
+|app.js      	|4.184.455	|2.840.968	|  932.725	|  662.061	|
 |boot.js     	|  671.522	|   44.029	|  169.502	|   15.460	|
-|libs.js     	|  647.614	|  431.049	|  194.728	|  132.315	|
+|libs.js     	|  647.614	|  426.949	|  194.728	|  131.409	|
 |polyfills.js	|  325.834	|        0	|   71.825	|        0	|
-|TOTAL js   	|7.960.367	|4.452.542	|1.854.261	|1.086.482	|
+|TOTAL js   	|7.960.367	|4.442.193	|1.854.261	|1.082.207	|
 
 |js/min/*       	|1.14.0   	|native   	|gzip 1.14	|gzip   	|
 |---------------	|--------:	|--------:	|--------:	|--------:	|
-|admin.min.js    	|  252.147	|  153.095	| 73.657	| 43.734	|
-|app.min.js      	|  511.202	|  378.695	|140.462	| 99.511	|
+|admin.min.js    	|  252.147	|  152.759	| 73.657	| 43.564	|
+|app.min.js      	|  511.202	|  378.335	|140.462	| 99.341	|
 |boot.min.js     	|   66.007	|    5.589	| 22.567	|  2.333	|
-|libs.min.js     	|  572.545	|  387.636	|176.720	|122.519	|
+|libs.min.js     	|  572.545	|  385.139	|176.720	|121.907	|
 |polyfills.min.js	|   32.452	|        0	| 11.312	|      0	|
-|TOTAL js/min   	|1.434.353	|  925.015	|424.718	|268.097	|
+|TOTAL js/min   	|1.434.353	|  921.822	|424.718	|267.145	|
 
-509.338 bytes (156.621 gzip) is not much, but it feels faster.
+512.531 bytes (157.573 gzip) is not much, but it feels faster.
 
 
 |css/*       	|1.14.0   	|native   	|
diff --git a/dev/Common/Utils.js b/dev/Common/Utils.js
index 6eb91ccf5..f0f188cd9 100644
--- a/dev/Common/Utils.js
+++ b/dev/Common/Utils.js
@@ -7,19 +7,15 @@ import { Mime } from 'Common/Mime';
 const
 	$ = jQuery,
 	$div = $('<div></div>'),
-	isArray = Array.isArray;
-
-var htmlspecialchars = ((de,se,gt,lt,sq,dq,bt) => {
-	return (str, quote_style = 3, double_encode = true) => {
-		str = (''+str)
-			.replace(double_encode?de:se,'&amp;')
-			.replace(gt,'&lt;')
-			.replace(lt,'&gt;')
-			.replace(bt,'&#x60;');
-		if (quote_style & 1) { str = str.replace(sq,'&#x27;'); }
-		return (quote_style & 2) ? str.replace(dq,'&quot;') : str;
-	};
-})(/&/g,/&(?![\w#]+;)/gi,/</g,/>/g,/'/g,/"/g,/`/g);
+	isArray = Array.isArray,
+	htmlmap = {
+		'&': '&amp;',
+		'<': '&lt;',
+		'>': '&gt;',
+		'"': '&quot;',
+		"'": '&#x27;'
+	},
+	htmlspecialchars = str => (''+str).replace(/[&<>"']/g, m => htmlmap[m]);
 
 /**
  * @param {*} value
@@ -89,15 +85,13 @@ export function simpleQueryParser(queryString) {
  * @returns {string}
  */
 export function fakeMd5(len = 32) {
-	const line = '0123456789abcdefghijklmnopqrstuvwxyz',
-		lineLen = line.length;
+	const line = '0123456789abcdefghijklmnopqrstuvwxyz';
 
 	len = pInt(len);
 
 	let result = '';
-	while (result.length < len) {
-		result += line.substr(Math.round(Math.random() * lineLen), 1);
-	}
+	while (len--)
+		result += line.substr(Math.round(Math.random() * 36), 1);
 
 	return result;
 }
diff --git a/dev/External/ko.js b/dev/External/ko.js
index 1b4c90b94..b4609240d 100644
--- a/dev/External/ko.js
+++ b/dev/External/ko.js
@@ -747,35 +747,33 @@ ko.bindingHandlers.emailsTags = {
 			$el = $(element),
 			fValue = fValueAccessor(),
 			fAllBindings = fAllBindingsAccessor(),
-			fAutoCompleteSource = fAllBindings.autoCompleteSource || null,
-			inputDelimiters = [',', ';', '\n'],
-			fFocusCallback = (value) => {
-				if (fValue && fValue.focused) {
-					fValue.focused(!!value);
-				}
-			};
+			inputDelimiters = [',', ';', '\n'];
 
 		$el.inputosaurus({
 			parseOnBlur: true,
 			allowDragAndDrop: true,
-			focusCallback: fFocusCallback,
+			focusCallback: value => {
+				if (fValue && fValue.focused) {
+					fValue.focused(!!value);
+				}
+			},
 			inputDelimiters: inputDelimiters,
-			autoCompleteSource: fAutoCompleteSource,
-			splitHook: (value) => {
+			autoCompleteSource: fAllBindings.autoCompleteSource || null,
+			splitHook: value => {
 				const v = value.trim();
 				if (v && inputDelimiters.includes(v.substr(-1))) {
 					return EmailModel.splitEmailLine(value);
 				}
 				return null;
 			},
-			parseHook: (input) =>
+			parseHook: input =>
 				input.map(inputValue => {
 					const values = EmailModel.parseEmailLine(inputValue);
 					return values.length ? values : inputValue;
 				}).flat(Infinity).map(
 					item => (item.toLine ? [item.toLine(false), item] : [item, null])
 				),
-			change: (event) => {
+			change: event => {
 				$el.data('EmailsTagsValue', event.target.value);
 				fValue(event.target.value);
 			}
diff --git a/dev/Model/Email.js b/dev/Model/Email.js
index 147b29cc1..ac1adb1b8 100644
--- a/dev/Model/Email.js
+++ b/dev/Model/Email.js
@@ -1,4 +1,4 @@
-import { encodeHtml, isNonEmptyArray } from 'Common/Utils';
+import { encodeHtml } from 'Common/Utils';
 
 'use strict';
 
@@ -64,12 +64,10 @@ function _handleAddress(tokens) {
 		comment: [],
 		group: [],
 		text: []
-
-		// Filter out <addresses>, (comments) and regular text
 	};
-	for (var i = 0, len = tokens.length; i < len; i++) {
-		var token = tokens[i];
 
+	// Filter out <addresses>, (comments) and regular text
+	tokens.forEach(token => {
 		if (token.type === 'operator') {
 			switch (token.value) {
 				case '<':
@@ -85,12 +83,10 @@ function _handleAddress(tokens) {
 				default:
 					state = 'text';
 			}
-		} else {
-			if (token.value) {
-				data[state].push(token.value);
-			}
+		} else if (token.value) {
+			data[state].push(token.value);
 		}
-	}
+	});
 
 	// If there is no text but a comment, replace the two
 	if (!data.text.length && data.comment.length) {
@@ -108,25 +104,25 @@ function _handleAddress(tokens) {
 	} else {
 		// If no address was found, try to detect one from regular text
 		if (!data.address.length && data.text.length) {
-			for (var _i = data.text.length - 1; _i >= 0; _i--) {
-				if (data.text[_i].match(/^[^@\s]+@[^@\s]+$/)) {
-					data.address = data.text.splice(_i, 1);
+			var i = data.text.length;
+			while (i--) {
+				if (data.text[i].match(/^[^@\s]+@[^@\s]+$/)) {
+					data.address = data.text.splice(i, 1);
 					break;
 				}
 			}
 
-			var _regexHandler = function _regexHandler(address) {
-				if (!data.address.length) {
-					data.address = [address.trim()];
-					return ' ';
-				}
-				return address;
-			};
-
 			// still no address
 			if (!data.address.length) {
-				for (var _i2 = data.text.length - 1; _i2 >= 0; _i2--) {
-					data.text[_i2] = data.text[_i2].replace(/\s*\b[^@\s]+@[^@\s]+\b\s*/, _regexHandler).trim();
+				i = data.text.length;
+				while (i--) {
+					data.text[i] = data.text[i].replace(/\s*\b[^@\s]+@[^@\s]+\b\s*/, address => {
+						if (!data.address.length) {
+							data.address = [address.trim()];
+							return '';
+						}
+						return address.trim();
+					});
 					if (data.address.length) {
 						break;
 					}
@@ -202,8 +198,8 @@ class Tokenizer
 	}
 
 	tokenize() {
-		var list = [], i = this.str.length;
-		while (i--) this.checkChar(this.str[i]);
+		var list = [];
+		[...this.str].forEach(c => this.checkChar(c));
 
 		this.list.forEach(node => {
 			node.value = (node.value || '').toString().trim();
@@ -420,7 +416,7 @@ class EmailModel {
 
 	static splitEmailLine(line) {
 		const parsedResult = addressparser(line);
-		if (isNonEmptyArray(parsedResult)) {
+		if (parsedResult.length) {
 			const result = [];
 			let exists = false;
 			parsedResult.forEach((item) => {
@@ -443,7 +439,7 @@ class EmailModel {
 
 	static parseEmailLine(line) {
 		const parsedResult = addressparser(line);
-		if (isNonEmptyArray(parsedResult)) {
+		if (parsedResult.length) {
 			return parsedResult.map(item =>
 				item.address ? new EmailModel(item.address.replace(/^[<]+(.*)[>]+$/g, '$1'), item.name || '') : null
 			).filter(value => !!value);
@@ -463,7 +459,7 @@ class EmailModel {
 		}
 
 		const result = addressparser(emailAddress);
-		if (isNonEmptyArray(result) && result[0]) {
+		if (result.length) {
 			this.name = result[0].name || '';
 			this.email = result[0].address || '';
 			this.clearDuplicateName();
diff --git a/dev/View/Popup/Compose.js b/dev/View/Popup/Compose.js
index 8942314ab..160dcbbc1 100644
--- a/dev/View/Popup/Compose.js
+++ b/dev/View/Popup/Compose.js
@@ -1401,7 +1401,7 @@ class ComposePopupView extends AbstractViewNext {
 						}
 					});
 
-				this.addAttachmentEnabled(true).dragAndDropEnabled(oJua.isDragAndDropSupported());
+				this.addAttachmentEnabled(true).dragAndDropEnabled(true);
 			} else {
 				this.addAttachmentEnabled(false).dragAndDropEnabled(false);
 			}
diff --git a/vendors/inputosaurus/inputosaurus.js b/vendors/inputosaurus/inputosaurus.js
index 6686daa8b..ab5ba5ec2 100644
--- a/vendors/inputosaurus/inputosaurus.js
+++ b/vendors/inputosaurus/inputosaurus.js
@@ -18,7 +18,7 @@
  */
 
 
-(function($) {
+($ => {
 
 	var inputosaurustext = {
 
@@ -39,22 +39,12 @@
 			// the value tags are created on the fly when an inputDelimiter is detected
 			inputDelimiters : [',', ';'],
 
-			// this separator is used to rejoin all input items back to the value of the original <input>
-			outputDelimiter : ',',
-
-			allowDuplicates : false,
-
 			allowDragAndDrop : true,
 
 			focusCallback : null,
 
 			parseOnBlur : false,
 
-			// optional wrapper for widget
-			wrapperElement : null,
-
-			width : null,
-
 			// simply passing an autoComplete source (array, string or function) will instantiate autocomplete functionality
 			autoCompleteSource : '',
 
@@ -65,17 +55,14 @@
 			// the array of tag names is passed and expected to be returned as an array after manipulation
 			parseHook : null,
 
-			elementHook : null,
-
-			// define a placeholder to display when the input is empty
-			placeholder: null
+			splitHook : null
 		},
 
 		_create: function() {
 			var widget = this,
 				els = {},
 				o = widget.options,
-				placeholder =  o.placeholder || this.element.attr('placeholder') || null;
+				placeholder =  this.element.attr('placeholder') || null;
 
 			this._chosenValues = [];
 
@@ -85,7 +72,7 @@
 			if (this.options.allowDragAndDrop)
 			{
 				els.ul.droppable({
-					'drop': function(event, ui) {
+					'drop': (event, ui) => {
 
 						ui.draggable.addClass('inputosaurus-dropped');
 						els.input.val(ui.draggable.data('inputosaurus-value'));
@@ -106,9 +93,9 @@
 			els.origInputCont = $('<li class="inputosaurus-input-hidden inputosaurus-required"></li>');
 			els.lastEdit = '';
 
-			els.input.on('focus', function () {
+			els.input.on('focus', () => {
 				widget._focusTrigger(true);
-			}).on('blur', function () {
+			}).on('blur', () => {
 				widget._focusTrigger(false);
 			});
 
@@ -116,21 +103,15 @@
 			if (placeholder) {
 				o.placeholder = placeholder;
 				els.input.attr('placeholder', o.placeholder);
-				if (o.width) {
-					els.input.css('min-width', o.width - 50);
-				}
 			}
 
-			o.wrapperElement && o.wrapperElement.append(els.ul);
-			this.element.replaceWith(o.wrapperElement || els.ul);
+			this.element.replaceWith(els.ul);
 			els.origInputCont.append(this.element).hide();
 
 			els.inputCont.append(els.input);
 			els.ul.append(els.inputCont);
 			els.ul.append(els.origInputCont);
 
-			o.width && els.ul.css('width', o.width);
-
 			this.elements = els;
 
 			widget._attachEvents();
@@ -148,13 +129,10 @@
 
 		_focusTrigger : function (bValue) {
 			var widget = this;
-			window.clearTimeout(this._focusTriggerTimer);
-			this._focusTriggerTimer = window.setTimeout(function () {
+			clearTimeout(this._focusTriggerTimer);
+			this._focusTriggerTimer = setTimeout(() => {
 				widget.elements.ul[!bValue ? 'removeClass' : 'addClass']('inputosaurus-focused');
-				if (widget.options.focusCallback)
-				{
-					widget.options.focusCallback(bValue);
-				}
+				widget.options.focusCallback(bValue);
 			}, 10);
 		},
 
@@ -169,7 +147,7 @@
 					source : this.options.autoCompleteSource,
 					minLength : 1,
 					autoFocus : true,
-					select : function(ev, ui){
+					select : (ev, ui) => {
 						ev.preventDefault();
 						widget.elements.input.val(ui.item.value);
 						widget.parseInput();
@@ -190,9 +168,7 @@
 							}
 						}
 					},
-					focus: function () {
-						return false;
-					}
+					focus: () => false
 				});
 			}
 		},
@@ -210,12 +186,6 @@
 			}
 		},
 
-		/*_closeAutoCompleteMenu : function() {
-			if(this.options.autoCompleteSource){
-				this.elements.input.autocomplete('close');
-			}
-		},*/
-
 		parseInput : function(ev) {
 			var widget = (ev && ev.data.widget) || this,
 				val,
@@ -226,11 +196,7 @@
 			val = widget.elements.input.val();
 
 			if (val) {
-				if ($.isFunction(widget.options.splitHook)) {
-					hook = widget.options.splitHook(val);
-				} else {
-					delimiterFound = widget._containsDelimiter(val);
-				}
+				hook = widget.options.splitHook(val);
 			}
 
 			if (hook) {
@@ -246,15 +212,13 @@
 				values.push(val);
 			}
 
-			$.isFunction(widget.options.parseHook) && (values = widget.options.parseHook(values));
+			values = widget.options.parseHook(values);
 
 			if(values.length){
 				widget._setChosen(values);
 				widget.elements.input.val('');
 				widget._resizeInput();
 			}
-
-			widget._resetPlaceholder();
 		},
 
 		_inputFocus : function(ev) {
@@ -284,7 +248,7 @@
 
 			// reposition autoComplete menu as <ul> grows and shrinks vertically
 			if(widget.options.autoCompleteSource){
-				setTimeout(function(){widget._autoCompleteMenuPosition.call(widget);}, 200);
+				setTimeout(()=>widget._autoCompleteMenuPosition.call(widget), 200);
 			}
 		},
 
@@ -297,7 +261,7 @@
 			var widget = (ev && ev.data.widget) || this;
 			inputosaurustext.fakeSpan.text(widget.elements.input.val());
 
-//			window.setTimeout(function  () {
+//			setTimeout(function  () {
 				var txtWidth = 25 + inputosaurustext.fakeSpan.width();
 				txtWidth = txtWidth > 50 ? txtWidth : 50;
 				txtWidth = txtWidth < 500 ? txtWidth : 500;
@@ -305,18 +269,6 @@
 //			}, 1);
 		},
 
-		// resets placeholder on representative input
-		_resetPlaceholder: function () {
-			var placeholder = this.options.placeholder,
-				input = this.elements.input,
-				width = this.options.width || 'inherit';
-			if (placeholder && this.element.val().length === 0) {
-				input.attr('placeholder', placeholder).css('min-width', width - 50)
-			}else {
-				input.attr('placeholder', '').css('min-width', 'inherit')
-			}
-		},
-
 		// if our input contains no value and backspace has been pressed, select the last tag
 		_inputBackspace : function(ev) {
 			var widget = (ev && ev.data.widget) || this,
@@ -349,7 +301,7 @@
 				next = false
 			;
 
-			$.each(widget._chosenValues, function(i,v) {
+			$.each(widget._chosenValues, (i,v) => {
 				if (v.key === tagKey)
 				{
 					tagName = v.value;
@@ -369,15 +321,13 @@
 			$li.after(widget.elements.inputCont);
 
 			widget.elements.input.val(tagName);
-			window.setTimeout(function () {
-				widget.elements.input.select();
-			}, 100);
+			setTimeout(() => widget.elements.input.select(), 100);
 
 			widget._removeTag(ev);
 			widget._resizeInput(ev);
 		},
 
-		_tagKeypress : function(ev) {
+		_tagKeypress : ev => {
 			var widget = ev.data.widget;
 			switch(ev.which){
 
@@ -439,7 +389,7 @@
 
 			var found = false;
 
-			$.each(this.options.inputDelimiters, function(k,v) {
+			$.each(this.options.inputDelimiters, (k,v) => {
 				if(tagStr.indexOf(v) !== -1){
 					found = v;
 				}
@@ -455,7 +405,7 @@
 				return false;
 			}
 
-			$.each(valArr, function(k,a) {
+			$.each(valArr, (k,a) => {
 				var v = '', exists = false,
 					lastIndex = -1,
 					obj = {
@@ -466,7 +416,7 @@
 
 				v = $.trim(a[0]);
 
-				$.each(self._chosenValues, function(kk, vv) {
+				$.each(self._chosenValues, (kk, vv) => {
 					if (vv.value === self.elements.lastEdit)
 					{
 						lastIndex = kk;
@@ -475,7 +425,7 @@
 					vv.value === v && (exists = true);
 				});
 
-				if(v !== '' && a && a[1] && (!exists || self.options.allowDuplicates)){
+				if(v !== '' && a && a[1] && !exists){
 
 					obj.key = 'mi_' + Math.random().toString( 16 ).slice( 2, 10 );
 					obj.value = v;
@@ -505,11 +455,10 @@
 		},
 
 		_buildValue : function() {
-			var widget = this,
-				value = '';
+			var value = '';
 
-			$.each(this._chosenValues, function(k,v) {
-				value += value.length ? widget.options.outputDelimiter + v.value : v.value;
+			$.each(this._chosenValues, (k,v) => {
+				value += value.length ? ',' + v.value : v.value;
 			});
 
 			return value;
@@ -542,14 +491,10 @@
 					$li.draggable({
 						'revert': 'invalid',
 						'revertDuration': 200,
-						'start': function(event, ui) {
-							ui.helper.__widget = widget;
-						}
+						'start': (event, ui) => ui.helper.__widget = widget
 					});
 				}
 
-				$.isFunction(this.options.elementHook) && (this.options.elementHook($li, obj));
-
 				return $li;
 			}
 		},
@@ -559,7 +504,7 @@
 
 			this.elements.ul.find('li:not(.inputosaurus-required)').remove();
 
-			$.each(this._chosenValues, function(k, v) {
+			$.each(this._chosenValues, (k, v) => {
 				var el = self._createTag(v.value, v.key, v.obj);
 				if (el) {
 					self.elements.ul.find('li.inputosaurus-input').before(el);
@@ -573,7 +518,7 @@
 				widget = (ev && ev.data.widget) || this;
 
 
-			$.each(widget._chosenValues, function(k,v) {
+			$.each(widget._chosenValues, (k,v) => {
 				if(key === v.key){
 					indexFound = k;
 				}
@@ -584,9 +529,7 @@
 			widget._setValue(widget._buildValue());
 
 			$(ev.currentTarget).closest('li').remove();
-			window.setTimeout(function () {
-				widget.elements.input.focus();
-			}, 100);
+			setTimeout(() => widget.elements.input.focus(), 100);
 		},
 
 		_removeDraggedTag : function ($li) {
@@ -596,7 +539,7 @@
 				indexFound = false
 			;
 
-			$.each(widget._chosenValues, function(k,v) {
+			$.each(widget._chosenValues, (k,v) => {
 				if (key === v.key) {
 
 					indexFound = k;
@@ -634,12 +577,10 @@
 			}
 		},
 
-		_tagFocus : function(ev) {
-			$(ev.currentTarget).parent()[ev.type === 'focusout' ? 'removeClass' : 'addClass']('inputosaurus-selected');
-		},
+		_tagFocus : ev => $(ev.currentTarget).parent()[ev.type === 'focusout' ? 'removeClass' : 'addClass']('inputosaurus-selected'),
 
 		refresh : function() {
-			var delim = this.options.outputDelimiter,
+			var delim = ',',
 				val = this.element.val(),
 				values = [];
 
@@ -659,7 +600,7 @@
 			if (values.length) {
 				this._chosenValues = [];
 
-				$.isFunction(this.options.parseHook) && (values = this.options.parseHook(values));
+				values = this.options.parseHook(values);
 
 				this._setChosen(values);
 				this._renderTags();
diff --git a/vendors/jua/jua.js b/vendors/jua/jua.js
index fe504fc9b..909b231af 100644
--- a/vendors/jua/jua.js
+++ b/vendors/jua/jua.js
@@ -7,7 +7,67 @@
 		$ = jQuery;
 
 	const
-		defined = v => undefined !== v;
+		defined = v => undefined !== v,
+		/**
+		 * @param {*} aItems
+		 * @param {Function} fFileCallback
+		 * @param {number=} iLimit = 20
+		 * @param {Function=} fLimitCallback
+		 */
+		getDataFromFiles = (aItems, fFileCallback, iLimit, fLimitCallback) =>
+		{
+			if (aItems && aItems.length)
+			{
+				var
+					iInputLimit = 0,
+					oFile = null,
+					bUseLimit = false,
+					bCallLimit = false
+				;
+
+				iLimit = defined(iLimit) ? parseInt(iLimit || 0, 10) : iDefLimit;
+				iInputLimit = iLimit;
+				bUseLimit = 0 < iLimit;
+				Array.from(aItems).forEach(oItem => {
+					if (oItem)
+					{
+						if (!bUseLimit) {
+							if (0 <= --iLimit)
+							{
+								oFile = Utils.getDataFromFile(oItem);
+								oFile && fFileCallback(oFile);
+							}
+						}
+						else if (!bCallLimit)
+						{
+							if (0 > iLimit && fLimitCallback)
+							{
+								bCallLimit = true;
+								fLimitCallback(iInputLimit);
+							}
+						}
+					}
+				});
+			}
+		},
+		/**
+		 * @param {number=} iLen
+		 * @return {string}
+		 */
+		fakeMd5 = iLen =>
+		{
+			var
+				sResult = '',
+				sLine = '0123456789abcdefghijklmnopqrstuvwxyz'
+			;
+
+			iLen = defined(iLen) ? parseInt(iLen || 0, 10) : 32;
+
+			while (iLen--)
+				sResult += sLine.substr(Math.round(Math.random() * 36), 1);
+
+			return sResult;
+		};
 
 	var Utils = {
 		/**
@@ -78,30 +138,9 @@
 		},
 
 		/**
-		 * @param {number=} iLen
 		 * @return {string}
 		 */
-		fakeMd5 : iLen =>
-		{
-			var
-				sResult = '',
-				sLine = '0123456789abcdefghijklmnopqrstuvwxyz'
-			;
-
-			iLen = defined(iLen) ? parseInt(iLen || 0, 10) : 32;
-
-			while (sResult.length < iLen)
-			{
-				sResult += sLine.substr(Math.round(Math.random() * sLine.length), 1);
-			}
-
-			return sResult;
-		},
-
-		/**
-		 * @return {string}
-		 */
-		getNewUid : () => 'jua-uid-' + Utils.fakeMd5(16) + '-' + (new Date()).getTime().toString(),
+		getNewUid : () => 'jua-uid-' + fakeMd5(16) + '-' + (new Date()).getTime().toString(),
 
 		/**
 		 * @param {*} oFile
@@ -134,57 +173,6 @@
 			};
 		},
 
-		/**
-		 * @param {*} aItems
-		 * @param {Function} fFileCallback
-		 * @param {number=} iLimit = 20
-		 * @param {Function=} fLimitCallback
-		 */
-		getDataFromFiles : (aItems, fFileCallback, iLimit, fLimitCallback) =>
-		{
-			var
-				iInputLimit = 0,
-				iLen = 0,
-				iIndex = 0,
-				oItem = null,
-				oFile = null,
-				bUseLimit = false,
-				bCallLimit = false
-			;
-
-			iLimit = defined(iLimit) ? parseInt(iLimit || 0, 10) : iDefLimit;
-			iInputLimit = iLimit;
-			bUseLimit = 0 < iLimit;
-
-			aItems = aItems && 0 < aItems.length ? aItems : null;
-			if (aItems)
-			{
-				for (iIndex = 0, iLen = aItems.length; iIndex < iLen; iIndex++)
-				{
-					oItem = aItems[iIndex];
-					if (oItem)
-					{
-						if (!bUseLimit || 0 <= --iLimit)
-						{
-							oFile = Utils.getDataFromFile(oItem);
-							if (oFile)
-							{
-								fFileCallback(oFile);
-							}
-						}
-						else if (bUseLimit && !bCallLimit)
-						{
-							if (0 > iLimit && fLimitCallback)
-							{
-								bCallLimit = true;
-								fLimitCallback(iInputLimit);
-							}
-						}
-					}
-				}
-			}
-		},
-
 		/**
 		 * @param {*} oInput
 		 * @param {Function} fFileCallback
@@ -193,10 +181,10 @@
 		 */
 		getDataFromInput : (oInput, fFileCallback, iLimit, fLimitCallback) =>
 		{
-			var aFiles = oInput && oInput.files && 0 < oInput.files.length ? oInput.files : null;
+			var aFiles = oInput && 0 < oInput.files.length ? oInput.files : null;
 			if (aFiles)
 			{
-				Utils.getDataFromFiles(aFiles, fFileCallback, iLimit, fLimitCallback);
+				getDataFromFiles(aFiles, fFileCallback, iLimit, fLimitCallback);
 			}
 			else
 			{
@@ -249,10 +237,7 @@
 				aFiles = (Utils.getValue(oEvent, 'files', null) || (oEvent.dataTransfer ?
 					Utils.getValue(oEvent.dataTransfer, 'files', null) : null));
 
-				if (aFiles && 0 < aFiles.length)
-				{
-					Utils.getDataFromFiles(aFiles, fFileCallback, iLimit, fLimitCallback);
-				}
+				getDataFromFiles(aFiles, fFileCallback, iLimit, fLimitCallback);
 			}
 		},
 
@@ -306,12 +291,186 @@
 	 * @param {Jua} oJua
 	 * @param {Object} oOptions
 	 */
-	function AjaxDriver(oJua, oOptions)
+	class AjaxDriver
 	{
-		this.oXhrs = {};
-		this.oUids = {};
-		this.oJua = oJua;
-		this.oOptions = oOptions;
+		constructor(oJua, oOptions)
+		{
+			this.oXhrs = {};
+			this.oUids = {};
+			this.oJua = oJua;
+			this.oOptions = oOptions;
+		}
+
+		/**
+		 * @param {string} sUid
+		 */
+		regTaskUid(sUid)
+		{
+			this.oUids[sUid] = true;
+		}
+
+		/**
+		 * @param {string} sUid
+		 * @param {?} oFileInfo
+		 * @param {Function} fCallback
+		 */
+		uploadTask(sUid, oFileInfo, fCallback)
+		{
+			if (false === this.oUids[sUid] || !oFileInfo || !oFileInfo['File'])
+			{
+				fCallback(null, sUid);
+				return false;
+			}
+
+			try
+			{
+				var
+					self = this,
+					oXhr = new XMLHttpRequest(),
+					oFormData = new FormData(),
+					sAction = Utils.getValue(this.oOptions, 'action', ''),
+					aHidden = Utils.getValue(this.oOptions, 'hidden', {}),
+					fStartFunction = this.oJua.getEvent('onStart'),
+					fCompleteFunction = this.oJua.getEvent('onComplete'),
+					fProgressFunction = this.oJua.getEvent('onProgress')
+				;
+
+				oXhr.open('POST', sAction, true);
+
+				if (fProgressFunction && oXhr.upload)
+				{
+					oXhr.upload.onprogress = function (oEvent) {
+						if (oEvent && oEvent.lengthComputable && defined(oEvent.loaded) && defined(oEvent.total))
+						{
+							fProgressFunction(sUid, oEvent.loaded, oEvent.total);
+						}
+					};
+				}
+
+				oXhr.onreadystatechange = function () {
+					if (4 === oXhr.readyState && 200 === oXhr.status)
+					{
+						if (fCompleteFunction)
+						{
+							var
+								bResult = false,
+								oResult = null
+							;
+
+							try
+							{
+								oResult = JSON.parse(oXhr.responseText);
+								bResult = true;
+							}
+							catch (oException)
+							{
+								oResult = null;
+							}
+
+							fCompleteFunction(sUid, bResult, oResult);
+						}
+
+						if (defined(self.oXhrs[sUid]))
+						{
+							self.oXhrs[sUid] = null;
+						}
+
+						fCallback(null, sUid);
+					}
+					else
+					{
+						if (4 === oXhr.readyState)
+						{
+							fCompleteFunction(sUid, false, null);
+							fCallback(null, sUid);
+						}
+					}
+				};
+
+				if (fStartFunction)
+				{
+					fStartFunction(sUid);
+				}
+
+				oFormData.append('jua-post-type', 'ajax');
+				oFormData.append(Utils.getValue(this.oOptions, 'name', 'juaFile'), oFileInfo['File']);
+				$.each(aHidden, function (sKey, sValue) {
+					oFormData.append(sKey, Utils.getStringOrCallFunction(sValue, [oFileInfo]));
+				});
+
+				oXhr.send(oFormData);
+
+				this.oXhrs[sUid] = oXhr;
+				return true;
+			}
+			catch (oError)
+			{
+			}
+
+			fCallback(null, sUid);
+			return false;
+		}
+
+		generateNewInput(oClickElement)
+		{
+			var
+				self = this,
+				oLabel = null,
+				oInput = null
+			;
+
+			if (oClickElement)
+			{
+				oInput = Utils.getNewInput('', !Utils.getValue(this.oOptions, 'disableMultiple', false));
+				oLabel = Utils.createNextLabel();
+				oLabel.append(oInput);
+
+				$(oClickElement).append(oLabel);
+
+				oInput
+					.on('click', function () {
+						var fOn = self.oJua.getEvent('onDialog');
+						if (fOn)
+						{
+							fOn();
+						}
+					})
+					.on('change', function () {
+						Utils.getDataFromInput(this, function (oFile) {
+								self.oJua.addNewFile(oFile);
+								self.generateNewInput(oClickElement);
+
+								setTimeout(function () {
+									oLabel.remove();
+								}, 10);
+							},
+							Utils.getValue(self.oOptions, 'multipleSizeLimit', iDefLimit),
+							self.oJua.getEvent('onLimitReached')
+						);
+					})
+				;
+			}
+		}
+
+		cancel(sUid)
+		{
+			this.oUids[sUid] = false;
+			if (this.oXhrs[sUid])
+			{
+				try
+				{
+					if (this.oXhrs[sUid].abort)
+					{
+						this.oXhrs[sUid].abort();
+					}
+				}
+				catch (oError)
+				{
+				}
+
+				this.oXhrs[sUid] = null;
+			}
+		}
 	}
 
 	/**
@@ -334,181 +493,6 @@
 	 */
 	AjaxDriver.prototype.oOptions = {};
 
-	/**
-	 * @return {boolean}
-	 */
-	AjaxDriver.prototype.isDragAndDropSupported = () => true;
-
-	/**
-	 * @param {string} sUid
-	 */
-	AjaxDriver.prototype.regTaskUid = function (sUid)
-	{
-		this.oUids[sUid] = true;
-	};
-
-	/**
-	 * @param {string} sUid
-	 * @param {?} oFileInfo
-	 * @param {Function} fCallback
-	 */
-	AjaxDriver.prototype.uploadTask = function (sUid, oFileInfo, fCallback)
-	{
-		if (false === this.oUids[sUid] || !oFileInfo || !oFileInfo['File'])
-		{
-			fCallback(null, sUid);
-			return false;
-		}
-
-		try
-		{
-			var
-				self = this,
-				oXhr = new XMLHttpRequest(),
-				oFormData = new FormData(),
-				sAction = Utils.getValue(this.oOptions, 'action', ''),
-				aHidden = Utils.getValue(this.oOptions, 'hidden', {}),
-				fStartFunction = this.oJua.getEvent('onStart'),
-				fCompleteFunction = this.oJua.getEvent('onComplete'),
-				fProgressFunction = this.oJua.getEvent('onProgress')
-			;
-
-			oXhr.open('POST', sAction, true);
-
-			if (fProgressFunction && oXhr.upload)
-			{
-				oXhr.upload.onprogress = function (oEvent) {
-					if (oEvent && oEvent.lengthComputable && defined(oEvent.loaded) && defined(oEvent.total))
-					{
-						fProgressFunction(sUid, oEvent.loaded, oEvent.total);
-					}
-				};
-			}
-
-			oXhr.onreadystatechange = function () {
-				if (4 === oXhr.readyState && 200 === oXhr.status)
-				{
-					if (fCompleteFunction)
-					{
-						var
-							bResult = false,
-							oResult = null
-						;
-
-						try
-						{
-							oResult = JSON.parse(oXhr.responseText);
-							bResult = true;
-						}
-						catch (oException)
-						{
-							oResult = null;
-						}
-
-						fCompleteFunction(sUid, bResult, oResult);
-					}
-
-					if (defined(self.oXhrs[sUid]))
-					{
-						self.oXhrs[sUid] = null;
-					}
-
-					fCallback(null, sUid);
-				}
-				else
-				{
-					if (4 === oXhr.readyState)
-					{
-						fCompleteFunction(sUid, false, null);
-						fCallback(null, sUid);
-					}
-				}
-			};
-
-			if (fStartFunction)
-			{
-				fStartFunction(sUid);
-			}
-
-			oFormData.append('jua-post-type', 'ajax');
-			oFormData.append(Utils.getValue(this.oOptions, 'name', 'juaFile'), oFileInfo['File']);
-			$.each(aHidden, function (sKey, sValue) {
-				oFormData.append(sKey, Utils.getStringOrCallFunction(sValue, [oFileInfo]));
-			});
-
-			oXhr.send(oFormData);
-
-			this.oXhrs[sUid] = oXhr;
-			return true;
-		}
-		catch (oError)
-		{
-		}
-
-		fCallback(null, sUid);
-		return false;
-	};
-
-	AjaxDriver.prototype.generateNewInput = function (oClickElement)
-	{
-		var
-			self = this,
-			oLabel = null,
-			oInput = null
-		;
-
-		if (oClickElement)
-		{
-			oInput = Utils.getNewInput('', !Utils.getValue(this.oOptions, 'disableMultiple', false));
-			oLabel = Utils.createNextLabel();
-			oLabel.append(oInput);
-
-			$(oClickElement).append(oLabel);
-
-			oInput
-				.on('click', function () {
-					var fOn = self.oJua.getEvent('onDialog');
-					if (fOn)
-					{
-						fOn();
-					}
-				})
-				.on('change', function () {
-					Utils.getDataFromInput(this, function (oFile) {
-							self.oJua.addNewFile(oFile);
-							self.generateNewInput(oClickElement);
-
-							setTimeout(function () {
-								oLabel.remove();
-							}, 10);
-						},
-						Utils.getValue(self.oOptions, 'multipleSizeLimit', iDefLimit),
-						self.oJua.getEvent('onLimitReached')
-					);
-				})
-			;
-		}
-	};
-
-	AjaxDriver.prototype.cancel = function (sUid)
-	{
-		this.oUids[sUid] = false;
-		if (this.oXhrs[sUid])
-		{
-			try
-			{
-				if (this.oXhrs[sUid].abort)
-				{
-					this.oXhrs[sUid].abort();
-				}
-			}
-			catch (oError)
-			{
-			}
-
-			this.oXhrs[sUid] = null;
-		}
-	};
 
 	function queue(a) {
 		function l() {
@@ -547,168 +531,85 @@
 	 * @constructor
 	 * @param {Object=} oOptions
 	 */
-	function Jua(oOptions)
+	class Jua
 	{
-		oOptions = defined(oOptions) ? oOptions : {};
-
-		var
-			self = this,
-
-			$ = jQuery
-		;
-
-		self.bEnableDnD = true;
-
-		self.oEvents = {
-			'onDialog': null,
-			'onSelect': null,
-			'onStart': null,
-			'onComplete': null,
-			'onCompleteAll': null,
-			'onProgress': null,
-			'onDragEnter': null,
-			'onDragLeave': null,
-			'onDrop': null,
-			'onBodyDragEnter': null,
-			'onBodyDragLeave': null,
-			'onLimitReached': null
-		};
-
-		self.oOptions = {
-			'action': '',
-			'name': '',
-			'hidden': {},
-			'queueSize': 10,
-			'clickElement': false,
-			'dragAndDropElement': false,
-			'dragAndDropBodyElement': false,
-			'disableDragAndDrop': false,
-			'disableMultiple': false,
-			'disableDocumentDropPrevent': false,
-			'multipleSizeLimit': 50
-		};
-		Object.entries(oOptions).forEach(([key, value])=>self.oOptions[key]=value);
-
-		self.oQueue = queue(parseInt(Utils.getValue(self.oOptions, 'queueSize', 10) || 0, 10));
-		if (self.runEvent('onCompleteAll'))
+		constructor(oOptions)
 		{
-			self.oQueue.await(function () {
-				self.runEvent('onCompleteAll');
-			});
-		}
+			oOptions = defined(oOptions) ? oOptions : {};
 
-		self.oDriver = new AjaxDriver(self, self.oOptions);
+			var
+				self = this,
 
-		self.oClickElement = Utils.getValue(self.oOptions, 'clickElement', null);
+				$ = jQuery
+			;
 
-		if (self.oClickElement)
-		{
-			$(self.oClickElement).css({
-				'position': 'relative',
-				'overflow': 'hidden'
-			});
+			self.bEnableDnD = true;
 
-			if ('inline' === $(this.oClickElement).css('display'))
+			self.oEvents = {
+				'onDialog': null,
+				'onSelect': null,
+				'onStart': null,
+				'onComplete': null,
+				'onCompleteAll': null,
+				'onProgress': null,
+				'onDragEnter': null,
+				'onDragLeave': null,
+				'onDrop': null,
+				'onBodyDragEnter': null,
+				'onBodyDragLeave': null,
+				'onLimitReached': null
+			};
+
+			self.oOptions = {
+				'action': '',
+				'name': '',
+				'hidden': {},
+				'queueSize': 10,
+				'clickElement': false,
+				'dragAndDropElement': false,
+				'dragAndDropBodyElement': false,
+				'disableDragAndDrop': false,
+				'disableMultiple': false,
+				'disableDocumentDropPrevent': false,
+				'multipleSizeLimit': 50
+			};
+			Object.entries(oOptions).forEach(([key, value])=>self.oOptions[key]=value);
+
+			self.oQueue = queue(parseInt(Utils.getValue(self.oOptions, 'queueSize', 10) || 0, 10));
+			if (self.runEvent('onCompleteAll'))
 			{
-				$(this.oClickElement).css('display', 'inline-block');
+				self.oQueue.await(function () {
+					self.runEvent('onCompleteAll');
+				});
 			}
 
-			this.oDriver.generateNewInput(this.oClickElement);
-		}
+			self.oDriver = new AjaxDriver(self, self.oOptions);
 
-		if (this.oDriver.isDragAndDropSupported() && Utils.getValue(this.oOptions, 'dragAndDropElement', false))
-		{
-			(function (self) {
-				var
-					$doc = $(document),
-					oBigDropZone = $(Utils.getValue(self.oOptions, 'dragAndDropBodyElement', false) || $doc),
-					oDragAndDropElement = Utils.getValue(self.oOptions, 'dragAndDropElement', false),
-					fHandleDragOver = function (oEvent) {
-						if (self.bEnableDnD && oEvent)
-						{
-							oEvent = Utils.getEvent(oEvent);
-							if (oEvent && oEvent.dataTransfer && Utils.eventContainsFiles(oEvent))
-							{
-								try
-								{
-									var sEffect = oEvent.dataTransfer.effectAllowed;
+			self.oClickElement = Utils.getValue(self.oOptions, 'clickElement', null);
 
-									Utils.mainClearTimeout(self.iDocTimer);
+			if (self.oClickElement)
+			{
+				$(self.oClickElement).css({
+					'position': 'relative',
+					'overflow': 'hidden'
+				});
 
-									oEvent.dataTransfer.dropEffect = (sEffect === 'move' || sEffect === 'linkMove') ? 'move' : 'copy';
-
-									oEvent.stopPropagation();
-									oEvent.preventDefault();
-
-									oBigDropZone.trigger('dragover', oEvent);
-								}
-								catch (oExc) {}
-							}
-						}
-					},
-					fHandleDrop = function (oEvent) {
-						if (self.bEnableDnD && oEvent)
-						{
-							oEvent = Utils.getEvent(oEvent);
-							if (oEvent && Utils.eventContainsFiles(oEvent))
-							{
-								oEvent.preventDefault();
-
-								Utils.getDataFromDragEvent(oEvent, function (oFile) {
-										if (oFile)
-										{
-											self.runEvent('onDrop', [oFile, oEvent]);
-											self.addNewFile(oFile);
-											Utils.mainClearTimeout(self.iDocTimer);
-										}
-									},
-									Utils.getValue(self.oOptions, 'multipleSizeLimit', iDefLimit),
-									self.getEvent('onLimitReached')
-								);
-							}
-						}
-
-						self.runEvent('onDragLeave', [oEvent]);
-					},
-					fHandleDragEnter = function (oEvent) {
-						if (self.bEnableDnD && oEvent)
-						{
-							oEvent = Utils.getEvent(oEvent);
-							if (oEvent && Utils.eventContainsFiles(oEvent))
-							{
-								Utils.mainClearTimeout(self.iDocTimer);
-
-								oEvent.preventDefault();
-								self.runEvent('onDragEnter', [oDragAndDropElement, oEvent]);
-							}
-						}
-					},
-					fHandleDragLeave = function (oEvent) {
-						if (self.bEnableDnD && oEvent)
-						{
-							oEvent = Utils.getEvent(oEvent);
-							if (oEvent)
-							{
-								var oRelatedTarget = document['elementFromPoint'] ? document['elementFromPoint'](oEvent['clientX'], oEvent['clientY']) : null;
-								if (oRelatedTarget && Utils.contains(this, oRelatedTarget))
-								{
-									return;
-								}
-
-								Utils.mainClearTimeout(self.iDocTimer);
-								self.runEvent('onDragLeave', [oDragAndDropElement, oEvent]);
-							}
-
-							return;
-						}
-					}
-				;
-
-				if (oDragAndDropElement)
+				if ('inline' === $(this.oClickElement).css('display'))
 				{
-					if (!Utils.getValue(self.oOptions, 'disableDocumentDropPrevent', false))
-					{
-						$doc.on('dragover', function (oEvent) {
+					$(this.oClickElement).css('display', 'inline-block');
+				}
+
+				this.oDriver.generateNewInput(this.oClickElement);
+			}
+
+			if (Utils.getValue(this.oOptions, 'dragAndDropElement', false))
+			{
+				(function (self) {
+					var
+						$doc = $(document),
+						oBigDropZone = $(Utils.getValue(self.oOptions, 'dragAndDropBodyElement', false) || $doc),
+						oDragAndDropElement = Utils.getValue(self.oOptions, 'dragAndDropElement', false),
+						fHandleDragOver = function (oEvent) {
 							if (self.bEnableDnD && oEvent)
 							{
 								oEvent = Utils.getEvent(oEvent);
@@ -716,86 +617,244 @@
 								{
 									try
 									{
-										oEvent.dataTransfer.dropEffect = 'none';
+										var sEffect = oEvent.dataTransfer.effectAllowed;
+
+										Utils.mainClearTimeout(self.iDocTimer);
+
+										oEvent.dataTransfer.dropEffect = (sEffect === 'move' || sEffect === 'linkMove') ? 'move' : 'copy';
+
+										oEvent.stopPropagation();
 										oEvent.preventDefault();
+
+										oBigDropZone.trigger('dragover', oEvent);
 									}
 									catch (oExc) {}
 								}
 							}
-						});
-					}
+						},
+						fHandleDrop = function (oEvent) {
+							if (self.bEnableDnD && oEvent)
+							{
+								oEvent = Utils.getEvent(oEvent);
+								if (oEvent && Utils.eventContainsFiles(oEvent))
+								{
+									oEvent.preventDefault();
 
-					if (oBigDropZone && oBigDropZone[0])
-					{
-						oBigDropZone
-							.on('dragover', function (oEvent) {
-								if (self.bEnableDnD && oEvent)
+									Utils.getDataFromDragEvent(oEvent, function (oFile) {
+											if (oFile)
+											{
+												self.runEvent('onDrop', [oFile, oEvent]);
+												self.addNewFile(oFile);
+												Utils.mainClearTimeout(self.iDocTimer);
+											}
+										},
+										Utils.getValue(self.oOptions, 'multipleSizeLimit', iDefLimit),
+										self.getEvent('onLimitReached')
+									);
+								}
+							}
+
+							self.runEvent('onDragLeave', [oEvent]);
+						},
+						fHandleDragEnter = function (oEvent) {
+							if (self.bEnableDnD && oEvent)
+							{
+								oEvent = Utils.getEvent(oEvent);
+								if (oEvent && Utils.eventContainsFiles(oEvent))
 								{
 									Utils.mainClearTimeout(self.iDocTimer);
-								}
-							})
-							.on('dragenter', function (oEvent) {
-								if (self.bEnableDnD && oEvent)
-								{
-									oEvent = Utils.getEvent(oEvent);
-									if (oEvent && Utils.eventContainsFiles(oEvent))
-									{
-										Utils.mainClearTimeout(self.iDocTimer);
-										oEvent.preventDefault();
 
-										self.runEvent('onBodyDragEnter', [oEvent]);
-									}
+									oEvent.preventDefault();
+									self.runEvent('onDragEnter', [oDragAndDropElement, oEvent]);
 								}
-							})
-							.on('dragleave', function (oEvent) {
+							}
+						},
+						fHandleDragLeave = function (oEvent) {
+							if (self.bEnableDnD && oEvent)
+							{
+								oEvent = Utils.getEvent(oEvent);
+								if (oEvent)
+								{
+									var oRelatedTarget = document['elementFromPoint'] ? document['elementFromPoint'](oEvent['clientX'], oEvent['clientY']) : null;
+									if (oRelatedTarget && Utils.contains(this, oRelatedTarget))
+									{
+										return;
+									}
+
+									Utils.mainClearTimeout(self.iDocTimer);
+									self.runEvent('onDragLeave', [oDragAndDropElement, oEvent]);
+								}
+
+								return;
+							}
+						}
+					;
+
+					if (oDragAndDropElement)
+					{
+						if (!Utils.getValue(self.oOptions, 'disableDocumentDropPrevent', false))
+						{
+							$doc.on('dragover', function (oEvent) {
 								if (self.bEnableDnD && oEvent)
 								{
 									oEvent = Utils.getEvent(oEvent);
-									if (oEvent)
+									if (oEvent && oEvent.dataTransfer && Utils.eventContainsFiles(oEvent))
 									{
-										Utils.mainClearTimeout(self.iDocTimer);
-										self.iDocTimer = setTimeout(function () {
-											self.runEvent('onBodyDragLeave', [oEvent]);
-										}, 200);
-									}
-								}
-							})
-							.on('drop', function (oEvent) {
-								if (self.bEnableDnD && oEvent)
-								{
-									oEvent = Utils.getEvent(oEvent);
-									if (oEvent)
-									{
-										var bFiles = Utils.eventContainsFiles(oEvent);
-										if (bFiles)
+										try
 										{
+											oEvent.dataTransfer.dropEffect = 'none';
 											oEvent.preventDefault();
 										}
-
-										self.runEvent('onBodyDragLeave', [oEvent]);
-
-										return !bFiles;
+										catch (oExc) {}
 									}
 								}
+							});
+						}
 
-								return false;
-							})
+						if (oBigDropZone && oBigDropZone[0])
+						{
+							oBigDropZone
+								.on('dragover', function (oEvent) {
+									if (self.bEnableDnD && oEvent)
+									{
+										Utils.mainClearTimeout(self.iDocTimer);
+									}
+								})
+								.on('dragenter', function (oEvent) {
+									if (self.bEnableDnD && oEvent)
+									{
+										oEvent = Utils.getEvent(oEvent);
+										if (oEvent && Utils.eventContainsFiles(oEvent))
+										{
+											Utils.mainClearTimeout(self.iDocTimer);
+											oEvent.preventDefault();
+
+											self.runEvent('onBodyDragEnter', [oEvent]);
+										}
+									}
+								})
+								.on('dragleave', function (oEvent) {
+									if (self.bEnableDnD && oEvent)
+									{
+										oEvent = Utils.getEvent(oEvent);
+										if (oEvent)
+										{
+											Utils.mainClearTimeout(self.iDocTimer);
+											self.iDocTimer = setTimeout(function () {
+												self.runEvent('onBodyDragLeave', [oEvent]);
+											}, 200);
+										}
+									}
+								})
+								.on('drop', function (oEvent) {
+									if (self.bEnableDnD && oEvent)
+									{
+										oEvent = Utils.getEvent(oEvent);
+										if (oEvent)
+										{
+											var bFiles = Utils.eventContainsFiles(oEvent);
+											if (bFiles)
+											{
+												oEvent.preventDefault();
+											}
+
+											self.runEvent('onBodyDragLeave', [oEvent]);
+
+											return !bFiles;
+										}
+									}
+
+									return false;
+								})
+							;
+						}
+
+						$(oDragAndDropElement)
+							.on('dragenter', fHandleDragEnter)
+							.on('dragover', fHandleDragOver)
+							.on('dragleave', fHandleDragLeave)
+							.on('drop', fHandleDrop)
 						;
 					}
 
-					$(oDragAndDropElement)
-						.on('dragenter', fHandleDragEnter)
-						.on('dragover', fHandleDragOver)
-						.on('dragleave', fHandleDragLeave)
-						.on('drop', fHandleDrop)
-					;
-				}
-
-			}(self));
+				}(self));
+			}
+			else
+			{
+				self.bEnableDnD = false;
+			}
 		}
-		else
+
+		/**
+		 * @param {string} sName
+		 * @param {Function} fFunc
+		 */
+		on(sName, fFunc)
 		{
-			self.bEnableDnD = false;
+			this.oEvents[sName] = fFunc;
+			return this;
+		}
+
+		/**
+		 * @param {string} sName
+		 * @param {string=} aArgs
+		 */
+		runEvent(sName, aArgs)
+		{
+			if (this.oEvents[sName])
+			{
+				this.oEvents[sName].apply(null, aArgs || []);
+			}
+		}
+
+		/**
+		 * @param {string} sName
+		 */
+		getEvent(sName)
+		{
+			return this.oEvents[sName] || null;
+		}
+
+		/**
+		 * @param {string} sUid
+		 */
+		cancel(sUid)
+		{
+			this.oDriver.cancel(sUid);
+		}
+
+		/**
+		 * @param {boolean} bEnabled
+		 */
+		setDragAndDropEnabledStatus(bEnabled)
+		{
+			this.bEnableDnD = !!bEnabled;
+		}
+
+		/**
+		 * @param {Object} oFileInfo
+		 */
+		addNewFile(oFileInfo)
+		{
+			this.addFile(Utils.getNewUid(), oFileInfo);
+		}
+
+		/**
+		 * @param {string} sUid
+		 * @param {Object} oFileInfo
+		 */
+		addFile(sUid, oFileInfo)
+		{
+			var fOnSelect = this.getEvent('onSelect');
+			if (oFileInfo && (!fOnSelect || (false !== fOnSelect(sUid, oFileInfo))))
+			{
+				this.oDriver.regTaskUid(sUid);
+				this.oQueue.defer(Utils.scopeBind(this.oDriver.uploadTask, this.oDriver), sUid, oFileInfo);
+			}
+			else
+			{
+				this.oDriver.cancel(sUid);
+			}
 		}
 	}
 
@@ -829,86 +888,6 @@
 	 */
 	Jua.prototype.oDriver = null;
 
-	/**
-	 * @param {string} sName
-	 * @param {Function} fFunc
-	 */
-	Jua.prototype.on = function (sName, fFunc)
-	{
-		this.oEvents[sName] = fFunc;
-		return this;
-	};
-
-	/**
-	 * @param {string} sName
-	 * @param {string=} aArgs
-	 */
-	Jua.prototype.runEvent = function (sName, aArgs)
-	{
-		if (this.oEvents[sName])
-		{
-			this.oEvents[sName].apply(null, aArgs || []);
-		}
-	};
-
-	/**
-	 * @param {string} sName
-	 */
-	Jua.prototype.getEvent = function (sName)
-	{
-		return this.oEvents[sName] || null;
-	};
-
-	/**
-	 * @param {string} sUid
-	 */
-	Jua.prototype.cancel = function (sUid)
-	{
-		this.oDriver.cancel(sUid);
-	};
-
-	/**
-	 * @param {boolean} bEnabled
-	 */
-	Jua.prototype.setDragAndDropEnabledStatus = function (bEnabled)
-	{
-		this.bEnableDnD = !!bEnabled;
-	};
-
-	/**
-	 * @return {boolean}
-	 */
-	Jua.prototype.isDragAndDropSupported = function ()
-	{
-		return this.oDriver.isDragAndDropSupported();
-	};
-
-	/**
-	 * @param {Object} oFileInfo
-	 */
-	Jua.prototype.addNewFile = function (oFileInfo)
-	{
-		this.addFile(Utils.getNewUid(), oFileInfo);
-	};
-
-	/**
-	 * @param {string} sUid
-	 * @param {Object} oFileInfo
-	 */
-	Jua.prototype.addFile = function (sUid, oFileInfo)
-	{
-		var fOnSelect = this.getEvent('onSelect');
-		if (oFileInfo && (!fOnSelect || (false !== fOnSelect(sUid, oFileInfo))))
-		{
-			this.oDriver.regTaskUid(sUid);
-			this.oQueue.defer(Utils.scopeBind(this.oDriver.uploadTask, this.oDriver), sUid, oFileInfo);
-		}
-		else
-		{
-			this.oDriver.cancel(sUid);
-		}
-	};
-
 	window.Jua = Jua;
 
 })();
diff --git a/vendors/jua/jua.min.js b/vendors/jua/jua.min.js
index 28445e744..bb1f5fa99 100644
--- a/vendors/jua/jua.min.js
+++ b/vendors/jua/jua.min.js
@@ -1,2 +1,2 @@
 /* RainLoop Webmail (c) RainLoop Team | MIT */
-(()=>{"use strict";var e=20,t=jQuery;const n=e=>void 0!==e;var o={contains:(e,t)=>!(!e||!t)&&(e===t||(e.contains?e.contains(t):!!t.compareDocumentPosition&&!!(8&t.compareDocumentPosition(e)))),mainClearTimeout:e=>{0<e&&clearTimeout(e),e=0},getEvent:e=>(e=e&&(e.originalEvent?e.originalEvent:e)||window.event).dataTransfer?e:null,getValue:(e,t,o)=>e&&t&&n(e[t])?e[t]:o,scopeBind:(e,t)=>(...o)=>e.apply(n(t)?t:null,Array.prototype.slice.call(o)),fakeMd5:e=>{var t="",o="0123456789abcdefghijklmnopqrstuvwxyz";for(e=n(e)?parseInt(e||0,10):32;t.length<e;)t+=o.substr(Math.round(Math.random()*o.length),1);return t},getNewUid:()=>"jua-uid-"+o.fakeMd5(16)+"-"+(new Date).getTime().toString(),getDataFromFile:e=>{var t=n(e.fileName)?e.fileName:n(e.name)?e.name:null,o=n(e.fileSize)?e.fileSize:n(e.size)?e.size:null,i=n(e.type)?e.type:null;return"/"===t.charAt(0)&&(t=t.substr(1)),i||0!==o?{FileName:t,Size:o,Type:i,Folder:"",File:e}:null},getDataFromFiles:(t,i,r,a)=>{var l,u,s=0,p=0,c=null,d=null,g=!1;if(l=r=n(r)?parseInt(r||0,10):e,u=0<r,t=t&&0<t.length?t:null)for(p=0,s=t.length;p<s;p++)(c=t[p])&&(!u||0<=--r?(d=o.getDataFromFile(c))&&i(d):u&&!g&&0>r&&a&&(g=!0,a(l)))},getDataFromInput:(e,t,n,i)=>{var r=e&&e.files&&0<e.files.length?e.files:null;r?o.getDataFromFiles(r,t,n,i):t({FileName:e.value.split("\\").pop().split("/").pop(),Size:null,Type:null,Folder:"",File:null})},eventContainsFiles:e=>{var t=!1;if(e&&e.dataTransfer&&e.dataTransfer.types&&e.dataTransfer.types.length)for(var n=0,o=e.dataTransfer.types.length;n<o;n++)if("files"===e.dataTransfer.types[n].toLowerCase()){t=!0;break}return t},getDataFromDragEvent:(e,t,n,i)=>{var r=null;(e=o.getEvent(e))&&o.eventContainsFiles(e)&&(r=o.getValue(e,"files",null)||(e.dataTransfer?o.getValue(e.dataTransfer,"files",null):null))&&0<r.length&&o.getDataFromFiles(r,t,n,i)},createNextLabel:()=>t('<label style="position: absolute; background-color:#fff; right: 0px; top: 0px; left: 0px; bottom: 0px; margin: 0px; padding: 0px; cursor: pointer;"></label>').css({opacity:0}),createNextInput:()=>t('<input type="file" tabindex="-1" hidefocus="hidefocus" style="position: absolute; left: -9999px;" />'),getNewInput:(e,t)=>{e=n(e)?e.toString():"";var i=o.createNextInput();return 0<e.length&&i.attr("name",e),n(t)&&!t||i.prop("multiple",!0),i},getStringOrCallFunction:(e,n)=>t.isFunction(e)?e.apply(null,Array.isArray(n)?n:[]).toString():e.toString()};function i(e,t){this.oXhrs={},this.oUids={},this.oJua=e,this.oOptions=t}function r(t){t=n(t)?t:{};var r=this,a=jQuery;r.bEnableDnD=!0,r.oEvents={onDialog:null,onSelect:null,onStart:null,onComplete:null,onCompleteAll:null,onProgress:null,onDragEnter:null,onDragLeave:null,onDrop:null,onBodyDragEnter:null,onBodyDragLeave:null,onLimitReached:null},r.oOptions={action:"",name:"",hidden:{},queueSize:10,clickElement:!1,dragAndDropElement:!1,dragAndDropBodyElement:!1,disableDragAndDrop:!1,disableMultiple:!1,disableDocumentDropPrevent:!1,multipleSizeLimit:50},Object.entries(t).forEach(([e,t])=>r.oOptions[e]=t),r.oQueue=function(e){function t(){if(n&&r<e){var i=n,l=i[0],c=Array.prototype.slice.call(i,1),d=i.index;n=n===o?o=null:n.next,++r,c.push(function(e,i){--r,u||(e?a&&p(u=e,a=s=n=o=null):(s[d]=i,--a?t():p(null,s)))}),l.apply(null,c)}}var n,o,i={},r=0,a=0,l=-1,u=null,s=[],p=()=>{};return arguments.length<1&&(e=1/0),i.defer=function(){if(!u){var e=arguments;e.index=++l,o?(o.next=e,o=o.next):n=o=e,++a,t()}return i},i.await=function(e){return p=e,a||p(u,s),i},i}(parseInt(o.getValue(r.oOptions,"queueSize",10)||0,10)),r.runEvent("onCompleteAll")&&r.oQueue.await(function(){r.runEvent("onCompleteAll")}),r.oDriver=new i(r,r.oOptions),r.oClickElement=o.getValue(r.oOptions,"clickElement",null),r.oClickElement&&(a(r.oClickElement).css({position:"relative",overflow:"hidden"}),"inline"===a(this.oClickElement).css("display")&&a(this.oClickElement).css("display","inline-block"),this.oDriver.generateNewInput(this.oClickElement)),this.oDriver.isDragAndDropSupported()&&o.getValue(this.oOptions,"dragAndDropElement",!1)?function(t){var n=a(document),i=a(o.getValue(t.oOptions,"dragAndDropBodyElement",!1)||n),r=o.getValue(t.oOptions,"dragAndDropElement",!1);r&&(o.getValue(t.oOptions,"disableDocumentDropPrevent",!1)||n.on("dragover",function(e){if(t.bEnableDnD&&e&&(e=o.getEvent(e))&&e.dataTransfer&&o.eventContainsFiles(e))try{e.dataTransfer.dropEffect="none",e.preventDefault()}catch(e){}}),i&&i[0]&&i.on("dragover",function(e){t.bEnableDnD&&e&&o.mainClearTimeout(t.iDocTimer)}).on("dragenter",function(e){t.bEnableDnD&&e&&(e=o.getEvent(e))&&o.eventContainsFiles(e)&&(o.mainClearTimeout(t.iDocTimer),e.preventDefault(),t.runEvent("onBodyDragEnter",[e]))}).on("dragleave",function(e){t.bEnableDnD&&e&&(e=o.getEvent(e))&&(o.mainClearTimeout(t.iDocTimer),t.iDocTimer=setTimeout(function(){t.runEvent("onBodyDragLeave",[e])},200))}).on("drop",function(e){if(t.bEnableDnD&&e&&(e=o.getEvent(e))){var n=o.eventContainsFiles(e);return n&&e.preventDefault(),t.runEvent("onBodyDragLeave",[e]),!n}return!1}),a(r).on("dragenter",function(e){t.bEnableDnD&&e&&(e=o.getEvent(e))&&o.eventContainsFiles(e)&&(o.mainClearTimeout(t.iDocTimer),e.preventDefault(),t.runEvent("onDragEnter",[r,e]))}).on("dragover",function(e){if(t.bEnableDnD&&e&&(e=o.getEvent(e))&&e.dataTransfer&&o.eventContainsFiles(e))try{var n=e.dataTransfer.effectAllowed;o.mainClearTimeout(t.iDocTimer),e.dataTransfer.dropEffect="move"===n||"linkMove"===n?"move":"copy",e.stopPropagation(),e.preventDefault(),i.trigger("dragover",e)}catch(e){}}).on("dragleave",function(e){if(t.bEnableDnD&&e&&(e=o.getEvent(e))){var n=document.elementFromPoint?document.elementFromPoint(e.clientX,e.clientY):null;if(n&&o.contains(this,n))return;o.mainClearTimeout(t.iDocTimer),t.runEvent("onDragLeave",[r,e])}}).on("drop",function(n){t.bEnableDnD&&n&&(n=o.getEvent(n))&&o.eventContainsFiles(n)&&(n.preventDefault(),o.getDataFromDragEvent(n,function(e){e&&(t.runEvent("onDrop",[e,n]),t.addNewFile(e),o.mainClearTimeout(t.iDocTimer))},o.getValue(t.oOptions,"multipleSizeLimit",e),t.getEvent("onLimitReached"))),t.runEvent("onDragLeave",[n])}))}(r):r.bEnableDnD=!1}i.prototype.oXhrs={},i.prototype.oUids={},i.prototype.oJua=null,i.prototype.oOptions={},i.prototype.isDragAndDropSupported=(()=>!0),i.prototype.regTaskUid=function(e){this.oUids[e]=!0},i.prototype.uploadTask=function(e,i,r){if(!1===this.oUids[e]||!i||!i.File)return r(null,e),!1;try{var a=this,l=new XMLHttpRequest,u=new FormData,s=o.getValue(this.oOptions,"action",""),p=o.getValue(this.oOptions,"hidden",{}),c=this.oJua.getEvent("onStart"),d=this.oJua.getEvent("onComplete"),g=this.oJua.getEvent("onProgress");return l.open("POST",s,!0),g&&l.upload&&(l.upload.onprogress=function(t){t&&t.lengthComputable&&n(t.loaded)&&n(t.total)&&g(e,t.loaded,t.total)}),l.onreadystatechange=function(){if(4===l.readyState&&200===l.status){if(d){var t=!1,o=null;try{o=JSON.parse(l.responseText),t=!0}catch(e){o=null}d(e,t,o)}n(a.oXhrs[e])&&(a.oXhrs[e]=null),r(null,e)}else 4===l.readyState&&(d(e,!1,null),r(null,e))},c&&c(e),u.append("jua-post-type","ajax"),u.append(o.getValue(this.oOptions,"name","juaFile"),i.File),t.each(p,function(e,t){u.append(e,o.getStringOrCallFunction(t,[i]))}),l.send(u),this.oXhrs[e]=l,!0}catch(e){}return r(null,e),!1},i.prototype.generateNewInput=function(n){var i=this,r=null,a=null;n&&(a=o.getNewInput("",!o.getValue(this.oOptions,"disableMultiple",!1)),(r=o.createNextLabel()).append(a),t(n).append(r),a.on("click",function(){var e=i.oJua.getEvent("onDialog");e&&e()}).on("change",function(){o.getDataFromInput(this,function(e){i.oJua.addNewFile(e),i.generateNewInput(n),setTimeout(function(){r.remove()},10)},o.getValue(i.oOptions,"multipleSizeLimit",e),i.oJua.getEvent("onLimitReached"))}))},i.prototype.cancel=function(e){if(this.oUids[e]=!1,this.oXhrs[e]){try{this.oXhrs[e].abort&&this.oXhrs[e].abort()}catch(e){}this.oXhrs[e]=null}},r.prototype.bEnableDnD=!0,r.prototype.iDocTimer=0,r.prototype.oOptions={},r.prototype.oEvents={},r.prototype.oQueue=null,r.prototype.oDriver=null,r.prototype.on=function(e,t){return this.oEvents[e]=t,this},r.prototype.runEvent=function(e,t){this.oEvents[e]&&this.oEvents[e].apply(null,t||[])},r.prototype.getEvent=function(e){return this.oEvents[e]||null},r.prototype.cancel=function(e){this.oDriver.cancel(e)},r.prototype.setDragAndDropEnabledStatus=function(e){this.bEnableDnD=!!e},r.prototype.isDragAndDropSupported=function(){return this.oDriver.isDragAndDropSupported()},r.prototype.addNewFile=function(e){this.addFile(o.getNewUid(),e)},r.prototype.addFile=function(e,t){var n=this.getEvent("onSelect");!t||n&&!1===n(e,t)?this.oDriver.cancel(e):(this.oDriver.regTaskUid(e),this.oQueue.defer(o.scopeBind(this.oDriver.uploadTask,this.oDriver),e,t))},window.Jua=r})();
+(()=>{"use strict";var e=20,t=jQuery;const n=e=>void 0!==e,o=(t,o,i,r)=>{if(t&&t.length){var l,u,s=null,p=!1;i=n(i)?parseInt(i||0,10):e,l=i,u=0<i,Array.from(t).forEach(e=>{e&&(u?p||0>i&&r&&(p=!0,r(l)):0<=--i&&(s=a.getDataFromFile(e))&&o(s))})}};var a={contains:(e,t)=>!(!e||!t)&&(e===t||(e.contains?e.contains(t):!!t.compareDocumentPosition&&!!(8&t.compareDocumentPosition(e)))),mainClearTimeout:e=>{0<e&&clearTimeout(e),e=0},getEvent:e=>(e=e&&(e.originalEvent?e.originalEvent:e)||window.event).dataTransfer?e:null,getValue:(e,t,o)=>e&&t&&n(e[t])?e[t]:o,scopeBind:(e,t)=>(...o)=>e.apply(n(t)?t:null,Array.prototype.slice.call(o)),getNewUid:()=>"jua-uid-"+(e=>{var t="";for(e=n(e)?parseInt(e||0,10):32;e--;)t+="0123456789abcdefghijklmnopqrstuvwxyz".substr(Math.round(36*Math.random()),1);return t})(16)+"-"+(new Date).getTime().toString(),getDataFromFile:e=>{var t=n(e.fileName)?e.fileName:n(e.name)?e.name:null,o=n(e.fileSize)?e.fileSize:n(e.size)?e.size:null,a=n(e.type)?e.type:null;return"/"===t.charAt(0)&&(t=t.substr(1)),a||0!==o?{FileName:t,Size:o,Type:a,Folder:"",File:e}:null},getDataFromInput:(e,t,n,a)=>{var i=e&&0<e.files.length?e.files:null;i?o(i,t,n,a):t({FileName:e.value.split("\\").pop().split("/").pop(),Size:null,Type:null,Folder:"",File:null})},eventContainsFiles:e=>{var t=!1;if(e&&e.dataTransfer&&e.dataTransfer.types&&e.dataTransfer.types.length)for(var n=0,o=e.dataTransfer.types.length;n<o;n++)if("files"===e.dataTransfer.types[n].toLowerCase()){t=!0;break}return t},getDataFromDragEvent:(e,t,n,i)=>{var r=null;(e=a.getEvent(e))&&a.eventContainsFiles(e)&&(r=a.getValue(e,"files",null)||(e.dataTransfer?a.getValue(e.dataTransfer,"files",null):null),o(r,t,n,i))},createNextLabel:()=>t('<label style="position: absolute; background-color:#fff; right: 0px; top: 0px; left: 0px; bottom: 0px; margin: 0px; padding: 0px; cursor: pointer;"></label>').css({opacity:0}),createNextInput:()=>t('<input type="file" tabindex="-1" hidefocus="hidefocus" style="position: absolute; left: -9999px;" />'),getNewInput:(e,t)=>{e=n(e)?e.toString():"";var o=a.createNextInput();return 0<e.length&&o.attr("name",e),n(t)&&!t||o.prop("multiple",!0),o},getStringOrCallFunction:(e,n)=>t.isFunction(e)?e.apply(null,Array.isArray(n)?n:[]).toString():e.toString()};class i{constructor(e,t){this.oXhrs={},this.oUids={},this.oJua=e,this.oOptions=t}regTaskUid(e){this.oUids[e]=!0}uploadTask(e,o,i){if(!1===this.oUids[e]||!o||!o.File)return i(null,e),!1;try{var r=this,l=new XMLHttpRequest,u=new FormData,s=a.getValue(this.oOptions,"action",""),p=a.getValue(this.oOptions,"hidden",{}),c=this.oJua.getEvent("onStart"),d=this.oJua.getEvent("onComplete"),g=this.oJua.getEvent("onProgress");return l.open("POST",s,!0),g&&l.upload&&(l.upload.onprogress=function(t){t&&t.lengthComputable&&n(t.loaded)&&n(t.total)&&g(e,t.loaded,t.total)}),l.onreadystatechange=function(){if(4===l.readyState&&200===l.status){if(d){var t=!1,o=null;try{o=JSON.parse(l.responseText),t=!0}catch(e){o=null}d(e,t,o)}n(r.oXhrs[e])&&(r.oXhrs[e]=null),i(null,e)}else 4===l.readyState&&(d(e,!1,null),i(null,e))},c&&c(e),u.append("jua-post-type","ajax"),u.append(a.getValue(this.oOptions,"name","juaFile"),o.File),t.each(p,function(e,t){u.append(e,a.getStringOrCallFunction(t,[o]))}),l.send(u),this.oXhrs[e]=l,!0}catch(e){}return i(null,e),!1}generateNewInput(n){var o=this,i=null,r=null;n&&(r=a.getNewInput("",!a.getValue(this.oOptions,"disableMultiple",!1)),(i=a.createNextLabel()).append(r),t(n).append(i),r.on("click",function(){var e=o.oJua.getEvent("onDialog");e&&e()}).on("change",function(){a.getDataFromInput(this,function(e){o.oJua.addNewFile(e),o.generateNewInput(n),setTimeout(function(){i.remove()},10)},a.getValue(o.oOptions,"multipleSizeLimit",e),o.oJua.getEvent("onLimitReached"))}))}cancel(e){if(this.oUids[e]=!1,this.oXhrs[e]){try{this.oXhrs[e].abort&&this.oXhrs[e].abort()}catch(e){}this.oXhrs[e]=null}}}i.prototype.oXhrs={},i.prototype.oUids={},i.prototype.oJua=null,i.prototype.oOptions={};class r{constructor(t){t=n(t)?t:{};var o=this,r=jQuery;o.bEnableDnD=!0,o.oEvents={onDialog:null,onSelect:null,onStart:null,onComplete:null,onCompleteAll:null,onProgress:null,onDragEnter:null,onDragLeave:null,onDrop:null,onBodyDragEnter:null,onBodyDragLeave:null,onLimitReached:null},o.oOptions={action:"",name:"",hidden:{},queueSize:10,clickElement:!1,dragAndDropElement:!1,dragAndDropBodyElement:!1,disableDragAndDrop:!1,disableMultiple:!1,disableDocumentDropPrevent:!1,multipleSizeLimit:50},Object.entries(t).forEach(([e,t])=>o.oOptions[e]=t),o.oQueue=function(e){function t(){if(n&&i<e){var a=n,l=a[0],c=Array.prototype.slice.call(a,1),d=a.index;n=n===o?o=null:n.next,++i,c.push(function(e,a){--i,u||(e?r&&p(u=e,r=s=n=o=null):(s[d]=a,--r?t():p(null,s)))}),l.apply(null,c)}}var n,o,a={},i=0,r=0,l=-1,u=null,s=[],p=()=>{};return arguments.length<1&&(e=1/0),a.defer=function(){if(!u){var e=arguments;e.index=++l,o?(o.next=e,o=o.next):n=o=e,++r,t()}return a},a.await=function(e){return p=e,r||p(u,s),a},a}(parseInt(a.getValue(o.oOptions,"queueSize",10)||0,10)),o.runEvent("onCompleteAll")&&o.oQueue.await(function(){o.runEvent("onCompleteAll")}),o.oDriver=new i(o,o.oOptions),o.oClickElement=a.getValue(o.oOptions,"clickElement",null),o.oClickElement&&(r(o.oClickElement).css({position:"relative",overflow:"hidden"}),"inline"===r(this.oClickElement).css("display")&&r(this.oClickElement).css("display","inline-block"),this.oDriver.generateNewInput(this.oClickElement)),a.getValue(this.oOptions,"dragAndDropElement",!1)?function(t){var n=r(document),o=r(a.getValue(t.oOptions,"dragAndDropBodyElement",!1)||n),i=a.getValue(t.oOptions,"dragAndDropElement",!1);i&&(a.getValue(t.oOptions,"disableDocumentDropPrevent",!1)||n.on("dragover",function(e){if(t.bEnableDnD&&e&&(e=a.getEvent(e))&&e.dataTransfer&&a.eventContainsFiles(e))try{e.dataTransfer.dropEffect="none",e.preventDefault()}catch(e){}}),o&&o[0]&&o.on("dragover",function(e){t.bEnableDnD&&e&&a.mainClearTimeout(t.iDocTimer)}).on("dragenter",function(e){t.bEnableDnD&&e&&(e=a.getEvent(e))&&a.eventContainsFiles(e)&&(a.mainClearTimeout(t.iDocTimer),e.preventDefault(),t.runEvent("onBodyDragEnter",[e]))}).on("dragleave",function(e){t.bEnableDnD&&e&&(e=a.getEvent(e))&&(a.mainClearTimeout(t.iDocTimer),t.iDocTimer=setTimeout(function(){t.runEvent("onBodyDragLeave",[e])},200))}).on("drop",function(e){if(t.bEnableDnD&&e&&(e=a.getEvent(e))){var n=a.eventContainsFiles(e);return n&&e.preventDefault(),t.runEvent("onBodyDragLeave",[e]),!n}return!1}),r(i).on("dragenter",function(e){t.bEnableDnD&&e&&(e=a.getEvent(e))&&a.eventContainsFiles(e)&&(a.mainClearTimeout(t.iDocTimer),e.preventDefault(),t.runEvent("onDragEnter",[i,e]))}).on("dragover",function(e){if(t.bEnableDnD&&e&&(e=a.getEvent(e))&&e.dataTransfer&&a.eventContainsFiles(e))try{var n=e.dataTransfer.effectAllowed;a.mainClearTimeout(t.iDocTimer),e.dataTransfer.dropEffect="move"===n||"linkMove"===n?"move":"copy",e.stopPropagation(),e.preventDefault(),o.trigger("dragover",e)}catch(e){}}).on("dragleave",function(e){if(t.bEnableDnD&&e&&(e=a.getEvent(e))){var n=document.elementFromPoint?document.elementFromPoint(e.clientX,e.clientY):null;if(n&&a.contains(this,n))return;a.mainClearTimeout(t.iDocTimer),t.runEvent("onDragLeave",[i,e])}}).on("drop",function(n){t.bEnableDnD&&n&&(n=a.getEvent(n))&&a.eventContainsFiles(n)&&(n.preventDefault(),a.getDataFromDragEvent(n,function(e){e&&(t.runEvent("onDrop",[e,n]),t.addNewFile(e),a.mainClearTimeout(t.iDocTimer))},a.getValue(t.oOptions,"multipleSizeLimit",e),t.getEvent("onLimitReached"))),t.runEvent("onDragLeave",[n])}))}(o):o.bEnableDnD=!1}on(e,t){return this.oEvents[e]=t,this}runEvent(e,t){this.oEvents[e]&&this.oEvents[e].apply(null,t||[])}getEvent(e){return this.oEvents[e]||null}cancel(e){this.oDriver.cancel(e)}setDragAndDropEnabledStatus(e){this.bEnableDnD=!!e}addNewFile(e){this.addFile(a.getNewUid(),e)}addFile(e,t){var n=this.getEvent("onSelect");!t||n&&!1===n(e,t)?this.oDriver.cancel(e):(this.oDriver.regTaskUid(e),this.oQueue.defer(a.scopeBind(this.oDriver.uploadTask,this.oDriver),e,t))}}r.prototype.bEnableDnD=!0,r.prototype.iDocTimer=0,r.prototype.oOptions={},r.prototype.oEvents={},r.prototype.oQueue=null,r.prototype.oDriver=null,window.Jua=r})();
diff --git a/vendors/keymaster/keymaster.js b/vendors/keymaster/keymaster.js
index 978db77fd..046732465 100644
--- a/vendors/keymaster/keymaster.js
+++ b/vendors/keymaster/keymaster.js
@@ -44,7 +44,11 @@
 
   // parse and assign shortcut
   function assignKey(key, scope, method){
-    var keys = getKeys(key), mods;
+    key = key.replace(/\s/g, '');
+    var keys = key.split(','), mods;
+    if ((keys[keys.length - 1]) == '') {
+      keys[keys.length - 2] += ',';
+    }
     if (method === undefined) {
       method = scope;
       scope = 'all';
@@ -56,12 +60,12 @@
       mods = [];
       key = keys[i].split('+');
       if (key.length > 1){
-        mods = getMods(key);
+        mods = key.slice(0, key.length - 1);
+        mods.forEach((mod, mi) => mods[mi] = _MODIFIERS[mod]);
         key = [key[key.length-1]];
       }
       // convert to keycode and...
-      key = key[0];
-      key = code(key);
+      key = code(key[0]);
       // ...store handler
       if (!(key in _handlers)) _handlers[key] = [];
 
@@ -78,25 +82,7 @@
   // initialize key.<modifier> to false
   for(k in _MODIFIERS) assignKey[k] = false;
 
-  // set current scope (default 'all')
-  const
-    setScope = scope => { _scope = scope || 'all' },
-    getScope = () => _scope || 'all',
-    // abstract key logic for assign and unassign
-    getKeys = key => {
-      key = key.replace(/\s/g, '');
-      var keys = key.split(',');
-      if ((keys[keys.length - 1]) == '') {
-        keys[keys.length - 2] += ',';
-      }
-      return keys;
-    },
-    // abstract mods logic for assign and unassign
-    getMods = key => {
-      var mods = key.slice(0, key.length - 1);
-      mods.forEach((mod, mi) => mods[mi] = _MODIFIERS[mod]);
-      return mods;
-    };
+  const getScope = () => _scope || 'all';
 
   // set the handlers globally on document
   document.addEventListener('keydown', event => {
@@ -170,7 +156,7 @@
 
   // set window.key and window.key.set/get, and the default filter
   global.key = assignKey;
-  global.key.setScope = setScope;
+  global.key.setScope = scope => { _scope = scope || 'all' };
   global.key.getScope = getScope;
   global.key.filter = event => {
     var tagName = event.target.tagName;
diff --git a/vendors/qr.js/qr.js b/vendors/qr.js/qr.js
index da088031b..7c7c36592 100644
--- a/vendors/qr.js/qr.js
+++ b/vendors/qr.js/qr.js
@@ -20,10 +20,6 @@
     16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,
     26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28
   ];
-  // Default MIME type.
-  var DEFAULT_MIME = 'image/png';
-  // MIME used to initiate a browser download prompt when `qr.save` is called.
-  var DOWNLOAD_MIME = 'image/octet-stream';
   // There are four elements per version. The first two indicate the number of blocks, then the
   // data width, and finally the ECC width.
   var ECC_BLOCKS = [
@@ -131,8 +127,6 @@
     0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,
     0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69
   ];
-  // Mode for node.js file system file writes.
-  var WRITE_MODE = parseInt('0666', 8);
 
   // Private variables
   // -----------------
@@ -153,16 +147,10 @@
   var frameBuffer = [];
   // Fixed part of the image.
   var frameMask = [];
-  // File system within the node.js environment.
-  var fs;
-  // Constructor for `img` elements in the node.js environment.
-  var Image;
   // Indicates whether or not this script is running in node.js.
   var inNode = false;
   // Generator polynomial.
   var polynomial = [];
-  // Save the previous value of the `qr` variable.
-  var previousQr = root.qr;
   // Data input buffer.
   var stringBuffer = [];
   // Version for the data.
@@ -173,92 +161,14 @@
   // Private functions
   // -----------------
 
-  // Create a new canvas  using `document.createElement` unless script is running in node.js, in
-  // which case the `canvas` module is used.
-  function createCanvas() {
-    return inNode ? new Canvas() : root.document.createElement('canvas');
-  }
-
-  // Create a new image using `document.createElement` unless script is running in node.js, in
-  // which case the `canvas` module is used.
-  function createImage() {
-    return inNode ? new Image() : root.document.createElement('img');
-  }
-
-  // Force the canvas image to be downloaded in the browser.
-  // Optionally, a `callback` function can be specified which will be called upon completed. Since
-  // this is not an asynchronous operation, this is merely convenient and helps simplify the
-  // calling code.
-  function download(cvs, data, callback) {
-    var mime = data.mime || DEFAULT_MIME;
-
-    root.location.href = cvs.toDataURL(mime).replace(mime, DOWNLOAD_MIME);
-
-    if (typeof callback === 'function') callback();
-  }
-
   // Normalize the `data` that is provided to the main API.
-  function normalizeData(data) {
+  const normalizeData = data => {
     if (typeof data === 'string') data = { value: data };
     return data || {};
-  }
-
-  // Asynchronously write the data of the rendered canvas to a given file path.
-  function writeFile(cvs, data, callback) {
-    if (typeof data.path !== 'string') {
-      return callback(new TypeError('Invalid path type: ' + typeof data.path));
-    }
-
-    var fd, buff;
-
-    // Write the buffer to the open file stream once both prerequisites are met.
-    function writeBuffer() {
-      fs.write(fd, buff, 0, buff.length, 0, function (error) {
-        fs.close(fd);
-
-        callback(error);
-      });
-    }
-
-    // Create a buffer of the canvas' data.
-    cvs.toBuffer(function (error, _buff) {
-      if (error) return callback(error);
-
-      buff = _buff;
-      if (fd) {
-        writeBuffer();
-      }
-    });
-
-    // Open a stream for the file to be written.
-    fs.open(data.path, 'w', WRITE_MODE, function (error, _fd) {
-      if (error) return callback(error);
-
-      fd = _fd;
-      if (buff) {
-        writeBuffer();
-      }
-    });
-  }
-
-  // Write the data of the rendered canvas to a given file path.
-  function writeFileSync(cvs, data) {
-    if (typeof data.path !== 'string') {
-      throw new TypeError('Invalid path type: ' + typeof data.path);
-    }
-
-    var buff = cvs.toBuffer();
-    var fd = fs.openSync(data.path, 'w', WRITE_MODE);
-
-    try {
-      fs.writeSync(fd, buff, 0, buff.length, 0);
-    } finally {
-      fs.closeSync(fd);
-    }
-  }
+  },
 
   // Set bit to indicate cell in frame is immutable (symmetric around diagonal).
-  function setMask(x, y) {
+  setMask = (x, y) => {
     var bit;
 
     if (x > y) {
@@ -274,11 +184,11 @@
     bit  += x;
 
     frameMask[bit] = 1;
-  }
+  },
 
   // Enter alignment pattern. Foreground colour to frame, background to mask. Frame will be merged
   // with mask later.
-  function addAlignment(x, y) {
+  addAlignment = (x, y) => {
     var i;
 
     frameBuffer[x + width * y] = 1;
@@ -296,21 +206,21 @@
       setMask(x - i, y - 1);
       setMask(x + i, y + 1);
     }
-  }
+  },
 
   // Exponentiation mod N.
-  function modN(x) {
+  modN = x => {
     while (x >= 255) {
       x -= 255;
       x  = (x >> 8) + (x & 255);
     }
 
     return x;
-  }
+  },
 
   // Calculate and append `ecc` data to the `data` block. If block is in the string buffer the
   // indices to buffers are used.
-  function appendData(data, dataLength, ecc, eccLength) {
+  appendData = (data, dataLength, ecc, eccLength) => {
     var bit, i, j;
 
     for (i = 0; i < eccLength; i++) {
@@ -334,10 +244,10 @@
       stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 :
           GALOIS_EXPONENT[modN(bit + polynomial[0])];
     }
-  }
+  },
 
   // Check mask since symmetricals use half.
-  function isMasked(x, y) {
+  isMasked = (x, y) => {
     var bit;
 
     if (x > y) {
@@ -352,10 +262,10 @@
     bit  += x;
 
     return frameMask[bit] === 1;
-  }
+  },
 
   // Apply the selected mask out of the 8 options.
-  function applyMask(mask) {
+  applyMask = mask => {
     var x, y, r3x, r3y;
 
     switch (mask) {
@@ -463,11 +373,11 @@
 
         break;
     }
-  }
+  },
 
   // Using the table for the length of each run, calculate the amount of bad image. Long runs or
   // those that look like finders are called twice; once for X and Y.
-  function getBadRuns(length) {
+  getBadRuns = length => {
     var badRuns = 0;
     var i;
 
@@ -492,10 +402,10 @@
     }
 
     return badRuns;
-  }
+  },
 
   // Calculate how bad the masked image is (e.g. blocks, imbalance, runs, or finders).
-  function checkBadness() {
+  checkBadness = () => {
     var b, b1, bad, big, bw, count, h, x, y;
     bad = bw = count = 0;
 
@@ -566,10 +476,10 @@
     }
 
     return bad;
-  }
+  },
 
   // Generate the encoded QR image for the string provided.
-  function generateFrame(str) {
+  generateFrame = str => {
     var i, j, k, m, t, v, x, y;
 
     // Find the smallest version that fits the string.
@@ -975,13 +885,13 @@
 
     // Finally, return the image data.
     return frameBuffer;
-  }
+  };
 
   // qr.js setup
   // -----------
 
   // Build the publicly exposed API.
-  var qr = {
+  root.qr = {
 
     // Constants
     // ---------
@@ -992,12 +902,13 @@
     // QR functions
     // ------------
 
-    // Generate the QR code using the data provided and render it on to a `<canvas>` element.
+    // Generate the QR code using the data provided and render it on to a `<canvas>` element before
+    // returning its data URI.
     // If no `<canvas>` element is specified in the argument provided a new one will be created and
     // used.
     // ECC (error correction capacity) determines how many intential errors are contained in the QR
     // code.
-    canvas: function(data) {
+    toDataURL: data => {
       data = normalizeData(data);
 
       // Module size of the generated QR code (i.e. 1-10).
@@ -1006,7 +917,7 @@
       size *= 25;
 
       // `<canvas>` element used to render the QR code.
-      var cvs = data.canvas || createCanvas();
+      var cvs = inNode ? new Canvas() : document.createElement('canvas');
       // Retreive the 2D context of the canvas.
       var c2d = cvs.getContext('2d');
       // Ensure the canvas has the correct dimensions.
@@ -1047,131 +958,9 @@
         }
       }
 
-      return cvs;
-    },
-
-    // Generate the QR code using the data provided and render it on to a `<img>` element.
-    // If no `<img>` element is specified in the argument provided a new one will be created and
-    // used.
-    // ECC (error correction capacity) determines how many intential errors are contained in the QR
-    // code.
-    image: function(data) {
-      data = normalizeData(data);
-
-      // `<canvas>` element only which the QR code is rendered.
-      var cvs = this.canvas(data);
-      // `<img>` element used to display the QR code.
-      var img = data.image || createImage();
-
-      // Apply the QR code to `img`.
-      img.src    = cvs.toDataURL(data.mime || DEFAULT_MIME);
-      img.height = cvs.height;
-      img.width  = cvs.width;
-
-      return img;
-    },
-
-    // Generate the QR code using the data provided and render it on to a `<canvas>` element and
-    // save it as an image file.
-    // If no `<canvas>` element is specified in the argument provided a new one will be created and
-    // used.
-    // ECC (error correction capacity) determines how many intential errors are contained in the QR
-    // code.
-    // If called in a browser the `path` property/argument is ignored and will simply prompt the
-    // user to choose a location and file name. However, if called within node.js the file will be
-    // saved to specified path.
-    // A `callback` function must be provided which will be called once the saving process has
-    // started. If an error occurs it will be passed as the first argument to this function,
-    // otherwise this argument will be `null`.
-    save: function(data, path, callback) {
-      data = normalizeData(data);
-
-      switch (typeof path) {
-        case 'function':
-          callback = path;
-          path = null;
-          break;
-        case 'string':
-          data.path = path;
-          break;
-      }
-
-      // Callback function is required.
-      if (typeof callback !== 'function') {
-        throw new TypeError('Invalid callback type: ' + typeof callback);
-      }
-
-      var completed = false;
-      // `<canvas>` element only which the QR code is rendered.
-      var cvs = this.canvas(data);
-
-      // Simple function to try and ensure that the `callback` function is only called once.
-      function done(error) {
-        if (!completed) {
-          completed = true;
-
-          callback(error);
-        }
-      }
-
-      if (inNode) {
-        writeFile(cvs, data, done);
-      } else {
-        download(cvs, data, done);
-      }
-    },
-
-    // Generate the QR code using the data provided and render it on to a `<canvas>` element and
-    // save it as an image file.
-    // If no `<canvas>` element is specified in the argument provided a new one will be created and
-    // used.
-    // ECC (error correction capacity) determines how many intential errors are contained in the QR
-    // code.
-    // If called in a browser the `path` property/argument is ignored and will simply prompt the
-    // user to choose a location and file name. However, if called within node.js the file will be
-    // saved to specified path.
-    saveSync: function(data, path) {
-      data = normalizeData(data);
-
-      if (typeof path === 'string') data.path = path;
-
-      // `<canvas>` element only which the QR code is rendered.
-      var cvs = this.canvas(data);
-
-      if (inNode) {
-        writeFileSync(cvs, data);
-      } else {
-        download(cvs, data);
-      }
-    },
-
-    // Generate the QR code using the data provided and render it on to a `<canvas>` element before
-    // returning its data URI.
-    // If no `<canvas>` element is specified in the argument provided a new one will be created and
-    // used.
-    // ECC (error correction capacity) determines how many intential errors are contained in the QR
-    // code.
-    toDataURL: function(data) {
-      data = normalizeData(data);
-
-      return this.canvas(data).toDataURL(data.mime || DEFAULT_MIME);
-    },
-
-    // Utility functions
-    // -----------------
-
-    // Run qr.js in *noConflict* mode, returning the `qr` variable to its previous owner.
-    // Returns a reference to `qr`.
-    noConflict: function() {
-      root.qr = previousQr;
-      return this;
+      return cvs.toDataURL('image/png');
     }
 
   };
 
-  // Support
-  // -------
-
-  root.qr = qr;
-
 })(this);
diff --git a/vendors/qr.js/qr.min.js b/vendors/qr.js/qr.min.js
index ec94a416b..784482cb9 100644
--- a/vendors/qr.js/qr.min.js
+++ b/vendors/qr.js/qr.min.js
@@ -1,4 +1,4 @@
 /*! qr-js v1.1.4 | (c) 2015 Alasdair Mercer | GPL v3 License
 jsqrencode | (c) 2010 tz@execpc.com | GPL v3 License
 */
-(r=>{"use strict";var 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