TODO

0.5.0
* Split the test suite so Rails is only required for Rails integration. http://blog.railsware.com/2012/01/07/testing-gem-integration-with-multiple-ruby-frameworks/
* Test the railtie (currently implicity tested in dummy app).
* Expand the generated tests to produce all the standard abilities: index,show,read,new,create,edit,update,destroy.
* Test the generators.
* Add test unit generator.
* Add install generator to allow overriding of the default tests.
* Make the Ability user referece configureable in Ability.
* Add DataMapper support.
* Detect and use FactoryGirl syntax in generated spec.
* Stop extending ActiveRecord, use composition instead.