fix bug

@@ -103,11 +103,11 @@ class Cache
         try {
             // WINDOWS
             if (DIRECTORY_SEPARATOR === '\\') {
-                $result = HoodCache::Memcache($node)->getBy(key);
+                $result = HoodCache::Memcache($node)->getBy($key);
             }
             // LINUX
             else {
-                $result = HoodCache::Memcached($node)->getBy(key);
+                $result = HoodCache::Memcached($node)->getBy($key);
             }
         } catch (Exception $e) {
             $result = array();