Fix argument overwrite (maschmann#44)

* Fix argument overwrite when using setArguments on ProcessBuilder

Last php 7.0/ ansible 1x compatible version

v2.0.1-alpha merge (maschmann#40)

* refactor to 7.2, typed params
* fix phpdoc
* add feature completeness for ansible 2
* remove travis support for older versions
* remove hhvm completely

Prepare v2.0.0 (maschmann#39)

* refactor to 7.2, typed params
* fix phpdoc
* cleanup PHPDoc again
* add feature completeness for ansible 2
* remove travis support for older versions
* removce hhvm completely

Merge pull request maschmann#21 from xabbuh/patch-1

tweak Travis configuration

Merge pull request maschmann#15 from maschmann/maschmann-patch-2

Added domain specific exceptions

Merge pull request maschmann#13 from maschmann/maschmann-patch-1

Added more dependency checks/tests for travis

Updated README

README and CHANGELOG update

Updated README