/**
  * Create HTTP response
  *
  * Should be called after a login attempt has been determined
  *
  * @return  void BUT writes to standard output and cookies!
  */
 public function response()
 {
     $message = '';
     if (self::$LoginModel->userLoggedIn()) {
         $message = $this->getMessage();
         $response = $this->generateLogoutButtonHTML($message);
     } else {
         $message = $this->getMessage();
         $response = $this->generateLoginFormHTML($message);
     }
     // $response .= $this->generateLogoutButtonHTML($message);
     return $response;
 }