add double motor program
delete double motor
update audio system v.1.3

induced random play sound system
alpha test version 1.4
minor fix
Merge branch 'dev'
version 1.5
new version for IVRC2014
version 2.1

なおちゃんの気まぐれとか勘違いの修正&機能追加
minor fix
Merge branch 'dev'
version 2.2

thanks to Hitomi-san
Merge branch 'dev'
ちょい変更
stable version
Merge branch 'dev'
Seigyo Software of Hikari
some fixes
Merge branch 'dev'