This release includes
* ambient light, white light, and proximity sensing
* high and low interrupts for proximity and ambient light
To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).
To use in CPython, `pip3 install adafruit-circuitpython-vcnl4040`.
Read the [docs](http://circuitpython.readthedocs.io/projects/vcnl4040/en/latest/) for info on how to use it.