What's Changed
* 将入参数据类统一为一份 by ssttkkl in https://github.com/ssttkkl/mahjong-utils/pull/17
* 校验逻辑下沉 by ssttkkl in https://github.com/ssttkkl/mahjong-utils/pull/18
* 副露牌理添加和牌判断 by ssttkkl in https://github.com/ssttkkl/mahjong-utils/pull/19
* 青天井规则里役满应该可以和非役满复合 by ssttkkl in https://github.com/ssttkkl/mahjong-utils/pull/20
**Full Changelog**: https://github.com/ssttkkl/mahjong-utils/compare/v0.6.3...v0.6.4