Add php 5.3.3 and 5.5 on travis-ci
Revert "Fix error on cache:clear (closes #62)"

This reverts commit 6945a23bc50352db9b41049af62e5050114631a0.
Fix error on cache:clear (closes #62)
Merge remote-tracking branch 'origin/add_missing_php_version' into issue62
Merge pull request #67 from alquerci/issue62

Fix previous pull request #64