Merge pull request OpenWebGAL#94 from MakinoharaShoko/Dev_App_Version

更新DEV_NOTE

Merge pull request OpenWebGAL#84 from MakinoharaShoko/Dev_App_Version

优雅，永不过时！

Update README.md

Merge pull request OpenWebGAL#76 from MakinoharaShoko/Dev_App_Version

Dev app version

Merge pull request OpenWebGAL#75 from MakinoharaShoko/Dev_App_Version

Dev app version

Merge pull request OpenWebGAL#69 from MakinoharaShoko/Dev_App_Version

Update DEV_NOTE.md

改善预加载在http下的错误

修复自动播放问题

Update README.md

Merge pull request OpenWebGAL#14 from MakinoharaShoko/dev

修改隐藏和回溯位置