- Pixels now map to the key map on rotation - e.g. pixel 0 is always the upper left, etc.
- Remove pixel brightness setting from init - now defaults to 1.
To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://circuitpython.org/libraries).
Read the [docs](http://circuitpython.readthedocs.io/projects/macropad/en/latest/) for info on how to use it.