Move all Codeception stuff into its own directory.
This will make it easier to support multiple testing frameworks in the future.
Update paths in various configs. Closes #43
Minor text tweak.
Let's use some of Laravel's methods for this instead.
Use the typical PHPUnit style assertions, and remove the test helpers.
Allow NetBeans into the vendor directory for easier code completion.
Ignore some package subdirectories that NetBeans thinks contain errors.
Update testers.
Remove test helpers package and update. Closes #39.