Add an enchant-powered spell checker.
Tout the spellchecker.
Install Enchant library on Travis setup.
Try explicitly installing pyenchant to fix the Python 3 build failures.

Travis keeps throwing up `invalid command 'bdist_egg'`.

https://travis-ci.org/colons/instant-coverage/jobs/19608378
Don't be quiet when installing pyenchant.
Always install python3-enchant with apt.
Make test_no_language_provided actually do something.

It's a little scary that it was just passing silently when I wasn't
handing it a callable properly. Not sure what to make of that.
Install pyenchant from git for the test. You know, for kicks.
Remove superflouous comma.
Commit to installing pyenchant from git. Closes #2.
Remember to install libenchant, idiot.
Merge branch 'develop'