Moved cache drivers outside core to extensions (plugins)

plugins/cache-redis/Predis/Profile/RedisUnstable.php

@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Profile;
+
+/**
+ * Server profile for the current unstable version of Redis.
+ *
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+class RedisUnstable extends RedisVersion300
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getVersion()
+    {
+        return '3.2';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedCommands()
+    {
+        return array_merge(parent::getSupportedCommands(), array(
+            /* ---------------- Redis 3.2 ---------------- */
+
+            /* commands operating on hashes */
+            'HSTRLEN' => 'Predis\Command\HashStringLength',
+        ));
+    }
+}