v0.4.0


- Addresses dupes listed thus far in: https://github.com/uber/lint-trap/issues/44
- Closes https://github.com/uber/lint-trap/issues/45
- Closes https://github.com/uber/lint-trap/issues/41
- Closes https://github.com/uber/lint-trap/issues/40
- Closes https://github.com/uber/lint-trap/issues/33
- Closes https://github.com/uber/lint-trap/issues/17
- Closes https://github.com/uber/lint-trap/issues/9
- Closes https://github.com/uber/lint-trap/issues/6
- Closes https://github.com/uber/lint-trap/issues/5