Refs #14. Working towards actual unit tests. Ugh, boilerplate.
Refs #14. Passing tests! (that don't test anything)
Refs #14. Document the test suite.
Refs #14. `test_projects` is a better name.

Since the folder holds the projects we use for testing, and all.
Refs #14. Hoooray Tox tests.
Refs #14. Travis all the things!
Merge remote-tracking branch 'origin/master' into issue_14