Optimize Phalcon\Paginator\Adapter\QueryBuilder
Make sure that the 'limit' is positive
return ;
Safer job unserialization
Test case
Merge pull request #1632 from sjinks/paginator_builder

Optimize Phalcon\Paginator\Adapter\QueryBuilder
Merge pull request #1633 from sjinks/setcurrentpage

Make setCurrentPage() return $this for consistency
Merge pull request #1634 from sjinks/beanstalk-job

Safe unserialization of Phalcon\Queue\Beanstalk\Job