Changed directorystructure to be compliant with PSR4
Ignore the Gemfile.lock file

I added a Gemfile which will tell bundler to install the travis-lint-tool
Moved Exception-class into place
Applied PSR code styling
No need for verbose as it is false by default
I love colors
Use the full test-folder
Correct naming, following the PSR-standards
Formatting the file
Update before running the tests
Merge branch 'master' into psr4

Conflicts:
	src/CssToInlineStyles.php
Updated changelog
Merge pull request #64 from tijsverkoyen/psr4

PSR4