Bump to version 2.0.0-beta4
Bump to version 2.0.0-beta4

honestegg/cassette,honestegg/cassette,andrewdavey/cassette,honestegg/cassette,damiensawyer/cassette,BluewireTechnologies/cassette,andrewdavey/cassette,damiensawyer/cassette,damiensawyer/cassette,BluewireTechnologies/cassette,andrewdavey/cassette