Support optional `Advertisement` `entry` optional argument, added in `Adafruit_CircuitPython_BLE` 8.0.0.
To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://circuitpython.org/libraries).
To use in CPython, `pip3 install adafruit-circuitpython-ble_adafruit`.
Read the [docs](http://circuitpython.readthedocs.io/projects/ble_adafruit/en/latest/) for info on how to use it.