phalcon/zephir — pull request #323 by dreamsxin (2014-04-04 11:57:05+00:00)
Title: Updated Library/ClassMethod add method hasChildReturnStatement

Support child statement return.
```php
class ClassReturn
{

public function say(int i) -> string|null {
if i <= 0 {
return null;
} else {
return "return";
}
}
}
```