* Use setuptools to allow the extras_require to work in python3.6
This also declares some hidden dependencies for the underlying
connection protocols, but note that they are normally reliant
on system-packaged versions, which is a bit less than optimal.
* In message, on assert of incoming type, note failing type
* In utilities, guard against truncated input.
* In demo allow for specifying different connections and demos on command line
Also addresses a crash in led demo where parameters x and y were not provided
to an empty lamba that was passed in.
* Remove commentted line, apply black formatting
* Raise TypeError when an incorrectly-typed message is received
* Apply black automatic formatting to the utilities module
* It's HUB ID
* Rename file
* Working with official doc
* Some progress
* AttachedIO msg
* device action impl
* some better device alert impl
* restructuring
* Some port commands handled
* Some command feedback waiting
* Some more request-reply things
* Some more request-reply things
* Reworked msg classes
* Getting back to UTs
* Getting back to UTs
* Facing sync lock problems
* Facing sync lock problems
* Testing it
* Covering more with tests
* handle actions
* Hub class is almost covered
* done coverage for Hub
* done coverage for MoveHub
* Button is tested
* remove debug server from examples
* Current and voltage tested
* color sensor basic test
* cover tilt sensor
* motor sensor tested
* constant motor
* motor is tested
* hold_speed impl for motor
* motor commands recorded
* some cleanup
* some cleanup
* some cleanup
* debug
* debug
* FIX a bug
* acc/dec profiles figured out
* UT motor ops
* UT motor ops
* Get rid of weird piggyback
* fix UT
* Fix encoding?
* fix test mb
* More robust
* Checked demo works
* cosmetics
* cosmetics
* Maybe better test
* fetching and decoding some device caps
* describing devs
* describing devs works
* Applying modes we've learned
* Simple and extensible dev attach
* Reworking peripherals based on modes
* Applying modes we've learned
* implemented getting sensor data
* fixed port subscribe
* Added led out cmds on vision sensor
* Worked on color-distance sensor
* Introduce some locking for consistency
* Improved it all
* Travis flags
* improve
* improve
* improve docs
