Release version 0.7.0 (#28)

Disable failing stockfish test

Clean up engine-related concurrency

Disable failing stockfish test

Migrate to swift testing

Update .git-blame-ignore-revs to ignore objc and c++ reformat

Apply formatting to objc and c++ files

Add logging queue and reformat Engine function names

Add git blame ignore revs for swift format changes

Add swift-format

Add credit to swift concurrency change in changelog

Release version 0.6.0 (#25)

Improve formatting and update readme

Add support for strict swift concurrency (#21)

convert_chesskit_engine_to_asynckit - removed AsyncAlgorithms dependency.