PSR-4 autoloading
Testing improvements
Fix example

We need to use the Facade
Removed unneeded .gitkeep file
Merge pull request #69 from GrahamCampbell/psr-4

PSR-4 Autoloading
Merge pull request #71 from GrahamCampbell/cleanup

Removed unneeded .gitkeep file
Merge pull request #70 from GrahamCampbell/travis

Testing Improvements