kanji-3.1.0: CHANGELOG.md

## 3.1.0

- Overall simplification of library and reduction in boilerplate
  - `AsKanji` typeclass removed
  - `Rank` and `Level` are now just `Level`
  - More liberal use of `Map` and `Set`
- `nanq` renamed to `kanji` and moved inside same project

## 2.0.0

- New JSON-only output
- Revamped, modernized backend