Adding is_php_version optimizer
Merge branch 'master' of http://github.com/phalcon/zephir
Fix #544 issue about SkipVariantInit optimization for elseif blocks
ElseIf added more tests
Added #544 issue test
Fix #544 Issue with tests
Added initial support for SkipVariantInit - elseif or else blocks
Avoid tmp vars for #544 isssue in elseif conditions
Remove unused code, return removed code : testElseIf2