Updated README.
Added .travis.yml file.
Added dependencies for tests.
Fixes TravisCI error.
Added FB screenshot tests macro.
Refactored model generation to be non-random and reproducible.
Moved things around.
Added integration tests.
Added Demo scheme.
Marked tests as pending until TravisCI upgrades its Xcode version.
Fixed integration tests.
Separated out screenshots in a separate describe block.
Added basic unit tests.
Merge pull request #6 from AshFurrow/tests

[WIP] Adds Tests – Fixes #1