Soco

- If a speaker name is not found, discovery will now fall back to
scanning the network for a matching speaker
- Partial, case insensitive matches can now be used for speaker
naming when using normal discovery
- Supplying, ambiguous partial speaker names now results in an error
- 'Alternative Discovery' is now referred to as 'Cached Discovery'
- Add 'buttons' action to inspect/change whether speaker buttons
are enabled
- Add 'fixed_volume' action to inspect/change whether the Fixed
Volume feature is enabled (applies to Connect and Port)
- Add 'trueplay' action to inspect/change whether a Trueplay
tuning profile is enabled

- Action 'play_file' now accepts multiple files as parameters
v0.1.53 - Action 'play_file' now supported back to Python 3.5
- Add simple 'interactive mode' option to 'play_m3u' action, allowing
'next track', 'pause', and 'resume' while playing a playlist

- Restore Python 3.5+ compatibility