This is a breaking change.
1. Change on_guild_emojis_update to have 3 arguments.
- The first parameter is now the guild object
2. Remove on_channel_create, on_channel_delete, and on_channel_update
- They are now split into two.
- on_guild_channel_[create|delete|update]
- on_private_channel_[create|delete|update]
3. Change on_member_ban to allow User.
- (member) -> (guild, user)
- user can also be a Member