Updated readmes [ci skip]
Typo fixes

Close #1245
Merge pull request #1308 from sjinks/issue-1245

Update README.md and CONTRIBUTING.md
Regression test
Fix #1309
Detect wrong usage of phalcon_fetch_params()
Fix misusage of phalcon_fetch_params() in zim_Phalcon_Http_Response_Headers_setRaw()
Fix memory leaks
Added missing include file
Merge pull request #1307 from sjinks/tests

More tests + test coverage
Merge pull request #1310 from sjinks/issue-1309

[FIX] Segmentation fault in \Phalcon\Tag::tagHtml
Do not run PHPT test suite from PHPUnit