Merge branch 'feature/instanceMethod' into develop
Merge branch 'feature/instanceMethod' into develop
Merge branch 'develop' into feature/staticMethod
bindメソッド実装
Merge branch 'feature/staticMethod' into develop
conflict fix
documentとテストを進めた
Merge branch 'document' into develop
コードにコメント追加
Merge branch 'develop' into feature/instanceMethod
replaceClass, hasClassメソッド実装 #2