enable bowerphp to respect ignore exceptions :boom:

Lines that start with an exclamation mark (!) should override any
matching ignore lines.

This includes:
Add test

Hopefully fix the test.

add phpunit dataProvider
Merge pull request #67 from bauerj/master

Respect ignore exceptions
cs fix
Merge pull request #77 from piotrooo/master

Refactor lookup command and partially fixed #72.
cs fix