Bot API 4.4

[noplanman]

https://core.telegram.org/bots/api#july-29-2019

• Add new field can_send_polls to ChatMember entity.
• Add can_change_info, can_invite_users, can_pin_messages to ChatMember entity for restricted users (previously available only for administrators).
• Prepare for Bot API version 4.5, which allows nested MessageEntity entities.

Add support for animated stickers

• New field is_animated in Sticker and StickerSet entities.

Add support for default permissions in groups

• New entity ChatPermissions, containing actions which a member can take in a chat.
• New field permissions in the Chat entity.
• New method setChatPermissions.
• The field all_members_are_administrators has been removed from the documentation for the Chat entity. New bots should use the permissions field instead.