chessIO-0.6.0.0: CHANGELOG.md

# Releases

## chessIO 0.6.0.0

- Optimize `foldBits`.
- Avoid cycles in `bookForest`.
- Don't reexport tree related functions from Game.Chess.
- Split SAN functions into new exposed module Chess.Game.SAN.
- Rename `Game.Chess.Polyglot.Book` to `Game.Chess.Polyglot`.
- New functions `plySource` and `plyTarget`.
- New tool `cbookview`: terminal chess book opening explorer.

## chessIO 0.5.0.0

- Split SAN parsing code into a separate module.
- Adapt to VisualStream change in Megaparsec >= 9.
- Use Maybe to indicate that bestmove in UCI can be empty.
- instance Storable QuadBitboard

## chessIO 0.4.0.0

- Support for letting UCI engines ponder.
- Avoid a branch to further speed up move generation.