Implement all functions of \Phalcon\Paginator\Adapter\queryBuilder
Add function comment for phpdoc
Rewrite request->getUploadedFile to be accepted by all requestTest.php phpunit tests
Active paginatorTest and requestTest in phpunit.xml
Merge pull request #2704 from alkana/2.0.0

[2.0.0] - Implement functions for phpunit tests