Create user in Zulip
Deactivate user in Zulip
Delete message in Zulip
Delete stream in Zulip
Retrieve message from Zulip
Send private message in Zulip
Send stream message in Zulip
Retrieve subscribed streams from Zulip
Retrieve all streams from Zulip
Retrieve all users from Zulip
Retrieve user from Zulip
Update message in Zulip
Update stream in Zulip
Update user in Zulip