* Add error checking to ensure "minutely" alarms raise an Exception when unsupported. Thanks apatt
* Update to install from pypi (using `pip`.)
To use in CircuitPython, download the .mpy file and copy it to the `lib` folder on the `CIRCUITPY` drive. Or, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).
To use in CPython, `pip install adafruit-circuitpython-register`.
Read the [docs](http://circuitpython.readthedocs.io/projects/register/en/latest/) for info on how to use it.