public function save()
{
$petOwner = new PetOwner();
$petOwner->setUsername(Session::get('username'));
$petOwner->setEmail(Session::get('email'));
$petOwner->setPassword(Session::get('password'));
$petFactory = new PetFactory(Session::get('planet'), $_POST['kind']);
$pet = $petFactory->createPet();
// Usar transação
DAO::on('PetOwner')->save($petOwner);
// DAO::on('Pet')->insert($pet);
header('Location: ' . URL . 'login/run');
}
