checkers-0.5.7: CHANGELOG.md

## [0.5.7]

* [Add `bifoldable` and `bifoldableBifunctor` tests](https://github.com/haskell-checkers/checkers/pull/62)

* [Restore `verboseBatch` functionality](https://github.com/haskell-checkers/checkers/pull/59)

* [Drop support for GHC < 8.2](https://github.com/haskell-checkers/checkers/pull/63)

[0.5.7]: https://github.com/haskell-checkers/checkers/compare/v0.5.6...v0.5.7