Add shared houses support

[roncapat]

Fixes #65 Moreover, it lets the user import the class from another scripts and adds a static method useful to decrypt data with nonce obtained from packet dumps.

I used "Packet Capture" Android App to get to the solution. I am able to reverse a big part of the REST API now since I've built myself a script to do so: if other features are needed I can dig into the decrypted logs to identify endpoints/params.

[PiotrMachowski]

Nice work! 👍

[Rittsel]

This didn't initially work for me because device_info returned None for my first empty "home" so I never got to the shared one. Changed line 292 to the following fixed it.

if devices["result"]["device_info"] is None or len(devices["result"]["device_info"]) == 0:

[roncapat]

Any news for merging?

[PiotrMachowski]

Thanks, @roncapat!