* feat delay friendship accept

* test

* change toJson() -> to JSON()
Co-authored-by: Huan (李卓桓) <zixia@zixia.net>

* Update wechaty.ts

Remove `room.sync()`, because it can not get room info when the bot has been removed from room.

* restore sync in room

I agree with @windmemory that there should be a flag to let user know that this room has died.

* restore.. wtf the bug?

* clean

* clean
Co-authored-by: Huan (李卓桓) <zixia@zixia.net>

It's better to clearly instruct new users that outgoing messages will cause a 'message' event emit in order to prevent infinitely sending messages
Co-authored-by: Huan (李卓桓) <zixia@zixia.net>

* 0.29.3

* modify: label relate methods

* modify: label method

* modify: make tag class be better.

* modify: change return type of method tags() from string[] to Tag[], and implemented all methods relates to Label.

* modify: bump version

* modify: change createTag() to getOrCreateTag()

* Refactor Tag Design

* Refine Tag design

* 0.29.41

* remove findAll for Tag class

* add todo for check tag before delete
Co-authored-by: Huan (李卓桓) <zixia@zixia.net>