Feature phpunit (including: git compatibility files)

1st: Helps to reduce git problems when getting contributions from Linux, Mac or Windows user 

2nd: phpunit testing via travis-ci.org
- just merge the request
- go to www.travis-ci.org and login with your github creds
- open https://travis-ci.org/profile (if you not get redirected there - you might be)
- activate the plugin 
- DONE :smiling_imp: