Fix #498 Issue about SplFileInfo
Added tests for extends of Spl supported classes
Support more stl classes (with tests)
Anonymous functions/closures support at parsing level
Merge pull request #499 from ovr/498_issue

Fix #498 and support more STL clases
Anonymous functions/closures support at parsing level (2)
Merge branch 'master' of https://github.com/phalcon/zephir
Anonymous functions/closures support at parsing level (3)
Adding Zephir\Closure to create closures
Adding initial closure tests
Added parser support for list-assignment, #105
Added syntax test for list-assignment