This release includes improvements to sparkline memory effeciency as well as adding multi-sparkline class to plot more than one line in a single graph. Thank you matemaciek
To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).
To use in CPython, `pip3 install adafruit-circuitpython-display-shapes`.
Read the [docs](http://circuitpython.readthedocs.io/projects/display-shapes/en/latest/) for info on how to use it.