pkeyGet is now static and more similar to getKV

Memcached_DataObject now defines
   * pkeyGetClass to avoid collision with Managed_DataObject pkeyGet
   * getClassKV to avoid collision with Managed_DataObject getKV

classes/Subscription.php

@@ -69,14 +69,6 @@ class Subscription extends Managed_DataObject
         );
     }
 
-    /* the code above is auto generated do not remove the tag below */
-    ###END_AUTOCODE
-
-    function pkeyGet($kv)
-    {
-        return Memcached_DataObject::pkeyGet('Subscription', $kv);
-    }
-
     /**
      * Make a new subscription
      *