This PR implements a clear-text, token-based transport protocol seen on
RV30 Plus (#937).
- Client sends `{"username": "email@example.com", "password":
md5(password)}` and gets back a token in the response
- Rest of the communications are done with POST at `/app?token=<token>`
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Co-authored-by: Steven B. <51370195+sdb9696@users.noreply.github.com>
Ensures that all modules try to access their data in `_post_update_hook` in a safe manner and disable themselves if there's an error.
Also adds parameters to get_preset_rules and get_on_off_gradually_info to fix issues with recent firmware updates.
[#1033](https://github.com/python-kasa/python-kasa/issues/1033)
Will create separate fixture files if the model of the child devices
differs from the parent (i.e. hubs). Otherwise the child device info
will be under `child_devices`
