Fix #253 issue

- added support for internals classes in static call

- added tests

- fix docblocks
Fix coveralls.yml
Return php 5.3 support and some fixes
Fix PSR2 | Hi @andresgutierrez
Rewrite tests for InternalClasses
StaticCall rewrite fetch class to temp variable
Added Phalcon\Mvc\Model\Query prototype
Fetch class only once for loca variable in method
Merge pull request #254 from ovr/253_issue

253 issue And fixes