Add menu update(delete then create) test handler in async-client example
Add menu update(delete then create) test handler in async-client example

zaihui/wechatpy,zhaoqz/wechatpy,zaihui/wechatpy,jxtech/wechatpy,cloverstd/wechatpy,cloverstd/wechatpy,wechatpy/wechatpy,messense/wechatpy,hunter007/wechatpy,zhaoqz/wechatpy,hunter007/wechatpy