Change the licence to MIT.
Add PHPUnit.
Add Mockery.
Add Travis config file.
Fix PHPUnit configuration.
Try to get Travis to run...
More Travis fixes.
Move files to the new PSR-4 directory structure.
Add first test.
Some code reorganization.
Merge branch 'feature/tests_and_psr-4' into develop
Tell Travis to update Composer before running the tests.
Merge branch 'develop'