Response::redirect() link is printed only for https? protocols [Closes #24]
Response: workaroud for PHP bugs #61106 and #66375 [closes #25]
Merge pull request #26 from JanTvrdik/php_bug_66375

Response: workaroud for PHP bugs #61106 and #66375 [closes #25]
Response::removeDuplicateCookies moved to Helpers [Closes #11]
fixes
Response: fixed bug with header_register_callback, closure is not working in PHP 5.5.19
travis: code-checker checks whole repository
tests: fixes session handler test [Closes #22]
Request: calling getFile() with multiple keys is deprecated (BC break)