Bug fix concerning data-options on the new form.
Adds integration tests to the token input.
Adds a token_input custom matcher.
Refactors ass_with.rb using folder names that matches the monkeypatchs.
Adds a many-to-many association at dummy.
Adds a matcher and a rspec token method helper.
Merge branch 'master' of https://github.com/vasconcelloslf/ass_with