This release fixes a bug that was causing the clock_speed lookup to always fallback to the default speed even in cases where a different specific one was included in the chip dictionary. Thank you aarontusko for this fix!
To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://circuitpython.org/libraries).
To use in CPython, `pip3 install adafruit-circuitpython-avrprog`.
Read the [docs](http://circuitpython.readthedocs.io/projects/avrprog/en/latest/) for info on how to use it.