Pointed matrix shift functions to use HT16K33 shift functions
The functions still work, just the bulk of the code was moved to work with non-feather displays too.
To use in CircuitPython, simply install the Adafruit CircuitPython bundle.
To use in CPython, pip3 install adafruit-circuitpython-featherwing
.
Read the docs for info on how to use it.