Add specs2.
Extract Bool into own file.
CoproductOps tests as real tests.
Add non-compilation test.
Add more tests for Contains.
Add tests for Opposite.
Unwrap Opposite from Opposites.
Rename OppositesSpec to OppositeSpec.
Add spec for CoproductHandler.
Add spec for action creation.
Move response into its own file to make testing easier.
Fix compiler warning.
Add scaladoc.
Fix compiler warnings.
Make response usable on its own.
Add spec for Response.
Add spec for request/response.
Add test for ask handler.
Merge branch 'tests'
Shorten example.