Fix
- Add a few missing classes to top level API ([`98ef1a1`](https://github.com/browniebroke/deezer-python/commit/98ef1a1a0b146f34e80a87308cfb1909d5d0eb7a))
Documentation
- Reference each class from the top level ([`042ee17`](https://github.com/browniebroke/deezer-python/commit/042ee17e34a5bb5cbf28225e3634c5e414cc442c))