public function handle()
 {
     $view = View::make(Config::get('app.errorsPages.404', '404'))->with('pageTitle', 'Not found');
     $response = new Response();
     $response->setStatusCode(404);
     $response->setContent($view->render());
     return $response;
 }
 public function logout()
 {
     UserService::logout();
     return Response::redirectUrl('/');
 }