[feature request] Reminder::exist() and Activation::exist() with code. about sentinel HOT 3 CLOSED

if ( ! Reminder::valid($user, $code) && Reminder::exists($user))
{
  Notify::error('Expired reminder code');
  return Redirect::to('user/signup');
}

if ( ! Reminder::exists($user))
{
  Notify::error('Invalid reminder code');
  return Redirect::to('user/signup');
}

Activation::complete($user, $code);