ChessKit 0.8.0

Improvements

• Add support for draw by insufficient material (by @joee-ca).
  • Once this condition is reached .draw(.insufficientMaterial) will be published via the BoardDelegate.didEnd(with:) method.
• Add unicode variant selector when printing black pawn icon to avoid displaying emoji (by @joee-ca).

Bug Fixes

• Fix issue where king could castle through other pieces (by @TigranSaakyan).

New Contributors

• @joee-ca made their first contribution in #26
• @TigranSaakyan made their first contribution in #28

Full Changelog: 0.7.1...0.8.0