/**
  * Добавляет параметры в URL
  *
  * @param string $queryString
  * @param bool|array $mode
  *
  * @return string
  */
 public function addParamToUrl($queryString, $mode = false)
 {
     $get = $this->request->iniGET();
     $addition = $this->router->createGetFrom($queryString);
     $param = array_merge($get, $addition);
     $queryString = '?' . http_build_query($param);
     return $this->createUrl($queryString, $mode);
 }