Switch to Redis 2.2 as the default server profile.

CHANGELOG

@@ -1,4 +1,7 @@
 v0.6.6 (2011-xx-xx)
+  * Switched to Redis 2.2 as the default server profile (there are no changes 
+    that would break compatibility with previous releases).
+
   * Added a VERSION constant to Predis\Client.
 
   * Some performance improvements for multibulk replies (parsing them is about 

lib/Predis.php

@@ -1620,7 +1620,7 @@ abstract class RedisServerProfile {
             '1.2'     => '\Predis\RedisServer_v1_2',
             '2.0'     => '\Predis\RedisServer_v2_0',
             '2.2'     => '\Predis\RedisServer_v2_2',
-            'default' => '\Predis\RedisServer_v2_0',
+            'default' => '\Predis\RedisServer_v2_2',
             'dev'     => '\Predis\RedisServer_vNext',
         );
     }