Bug fixed: selectableメソッドが多重登録される問題を解消。
Bug fixed: selectableメソッドが多重登録される問題を解消。

Implem/Implem.Pleasanter,kingkino/Implem.Pleasanter,kingkino/Implem.Pleasanter,Implem/Implem.Pleasanter,Implem/Implem.Pleasanter