Merge pull request #1 from tagia0212/master

コンボ機能
# fix combo
# new stable version
# new stable version
# new stable version
# new stable version
# for merge
merge
Merge pull request #4 from tagia0212/master

combo merge
# merge
merge
Merge pull request #5 from tagia0212/master

combo fix
merge
# new stable version
merge
fix combo effects