Relative to #22, current main branch does not work with iOS client.
- Python client can't handshake with iOS
- Python client can't receive non public non private messages from iOS
- iOS app can only receive public messages from python
- Sometimes python can receive public messages from iOS if it is not routed over other bitchat client, but still not get handshake
- Can't retrieve the iOS sender nickname

Relative to #22, current main branch does not work with iOS client.