cetkaik_core 0.3.9

See https://sites.google.com/view/cet2kaik/the-standardized-rule-in-english for context.
Documentation

Core data types and whatnot for cetkaik, a board game. See https://sites.google.com/view/cet2kaik/the-standardized-rule-in-english for more context. ／机戦（セットカイク）のための基本的なデータ型など。