PSR-1/2 compliance.
Added phpunit to composer and set up sane defaults in config
Resetting chmod to 644
Changing PHPUnit requires to latest 3.7 version
Merge pull request #68 from jtreminio/psr1-2-compliance

PSR-1/2 compliance.
Merge pull request #70 from jtreminio/phpunit-in-composer

Added phpunit to composer and set up sane defaults in config