Basic room creation
Welcome new users
Whisper by room nick and show errors
Use tel or tel+nick when we can, instead of JID
remove more debug stuff
Better number lookup
Use complete phone number as JID
Invite to room by phone number
Whisper to a phone number without full JID
stitch together long messages
Enable setting nickname
Keep up-to-date on room config
Outbound invites
When join room invited to, remove invite
command to leave room