------ - Fixed `set_output()` but where setting value of one leg would reset the other legs.
0.4.1
------ - Added timeout to serial initialisation and updated charmap `led_state` to `pixel_state` to match previous change. - Added `set_leg_io` method.
0.4.0
------ - Changed led -> pixel
0.3.0
------ - Removed confusing channel list. - Ready for release on GitHub.
0.2.0
------ - Added and_mask into set packets.
0.1.2
------ - Added some more examples. - Updated the readme.