This release adds an optional `timeout` argument to the receive functions to allow them to return after the specified `timeout` if a message has not been received yet.
To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://circuitpython.org/libraries).
To use in CPython, `pip3 install adafruit-circuitpython-ble_radio`.
Read the [docs](http://circuitpython.readthedocs.io/projects/ble_radio/en/latest/) for info on how to use it.