Optimized Phalcon\Paginator\Adapter\NativeArray
Fix #1654
Test case for #1654
Use native iterators for Phalcon\Validation\Message\Group
Test case
Merge pull request #1653 from sjinks/native-array

Optimized version of Phalcon\Paginator\Adapter\NativeArray
Merge pull request #1655 from sjinks/issue-1654

Fix #1654
Merge pull request #1657 from sjinks/group_iterator

Use native iterators for Phalcon\Validation\Message\Group