public function configure()
  {
    $tokenGenerator = new DefaultToken(94, DefaultToken::FORMAT_BASE64);

    $expire = strtotime(Remember::$expire, 0);
    $cookie = new PHPCookie("application_session", $expire, "/", "", true, true);

    Remember::$storage = new FileStorage(Remember::$tokensDir);
    Remember::$rememberMe = new Authenticator(Remember::$storage, $tokenGenerator, $cookie);
  }