PWMOut.fraction` allows you to set the PWM duty cycle as a fraction in the range 0.0-1.0.
`Neopixel` renamed to `NeoPixel`, and now implements more NeoPixel functionality.
Pin numbers for Crickit captouch terminals fixed.
To use in CircuitPython, download the .zip file and copy its contents to the `lib` folder on the `CIRCUITPY` drive. Or, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Addafruit_CircuitPython_Bundle).
Read the [docs](https://circuitpython.readthedocs.io/projects/seesaw/en/latest/) for info on how to use it.