Update README.md (fix #8 7e93d19)
Update README.md (fix #8 7e93d19)

luzefeng/SwiftTask,msdgwzhy6/SwiftTask,msdgwzhy6/SwiftTask,marinehero/SwiftTask,iosyoujian/SwiftTask,luzefeng/SwiftTask,iosyoujian/SwiftTask,luzefeng/SwiftTask,marinehero/SwiftTask,ReactKit/SwiftTask,msdgwzhy6/SwiftTask,marinehero/SwiftTask,ReactKit/SwiftTask,luzefeng/SwiftTask,iosyoujian/SwiftTask,marinehero/SwiftTask,msdgwzhy6/SwiftTask,iosyoujian/SwiftTask,ReactKit/SwiftTask