v0.2.2

Fixed a bug where SGFs would be saved and loaded mirrored, which meant that outside SGF files would be loaded in incorrectly.

v0.2.1

Fixed a bug where the hash would not update when states were reverted, thus preventing the user from making the same moves again.

v0.2.0

New Features

• ability to save board states
• ability to return to previously saved board states
• ability to save game tree as SGF
• ability to save entire game, including states, in a JSON savefile
• ability to load JSON savefile and restore game tree and saved states

v0.1.0

prepare for build/docs