Merge pull request #12 from micahhausler/develop

Added coveralls
Added kmatchMixin for tests

* Cleaned up docs in a few places
* bumped version to 0.1.3
Fixed usage example for test case
Added more assertNotMatches tests
Updated test mixin name and method names
Merge pull request #13 from micahhausler/newfeature/testmixin

Added kmatchMixin for tests