public function allowActions($controller, $action){
		$cid = $controller->id;

		// If NULL remove all excluded actions
		if(is_null($action)){
			$this->excluded_actions[$cid] = array();
			return $this;
		}

		$action = is_array($action) ? $action : array($action);

		if(!isset($this->excluded_actions[$cid])){
			$this->excluded_actions[$cid] = array();
		}

		$this->excluded_actions[$cid] = array_diff($this->excluded_actions[$cid], $action);

		return $this;
	}