Update composer.json

Edit version number

Author: ukko

composer.json

@@ -16,7 +16,7 @@
     "require":{
         "php":">=5.3.0"
     },
-    "version": "2.6.0",
+    "version": "2.2.2",
     "autoload": {
         "psr-0": {
             "phpredis-phpdoc": "src/"