Added tester DirExists
Merge branch 'master' of git://github.com/slavahatnuke/environment
Merge branch 'master' of git://github.com/slavahatnuke/environment
Merge branch 'master' of git://github.com/slavahatnuke/environment
Some code style changes & added FilesIdentical tester
Merge branch 'master' of git://github.com/slavahatnuke/environment
Merge branch 'dev' of git://github.com/slavahatnuke/environment
Some code style fixes & renamed phpunit.xml to phpunit.xml.dist & removed composer.lock
Merge pull request #7 from 66Ton99/master

Some code style fixes & renamed phpunit.xml to phpunit.xml.dist & removed composer.lock