/**
  *
  * @return sfVkontakteTools
  */
 public static function getInstance()
 {
     if (self::$instance == NULL) {
         self::$instance = new self();
     }
     return self::$instance;
 }
 /**
  *
  * @param string $name
  * @param array $arguments
  * @return array
  */
 public function __call($name, $arguments)
 {
     return sfVkontakteTools::getInstance()->__call($name, $arguments);
 }