Fixes #2

Author: boesing

src/Smoke/Cache/Storage/Adapter/RedisArrayResourceManager.php

@@ -560,9 +560,8 @@ public function getMayorVersion($id)
      */
     public function getMajorVersion($id)
     {
-        if (!$this->hasResource($id)) {
-            throw new Exception\RuntimeException("No resource with id '{$id}'");
-        }
+        // check resource id and initialize the resource
+        $this->getResource($id);
 
         $resource = & $this->resources[$id];
         return (int) $resource['version'];