Adafruit-circuitpython-simpleio

This release fixes crashes caused by certain `map_range` values that resulted in a Zero Division Error thanks to inventhouse

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip install adafruit-circuitpython-simpleio`.

Read the [docs](http://circuitpython.readthedocs.io/projects/simpleio/en/latest/) for info on how to use it.

Example names are now Adabot approved. Thanks dherrada.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip install adafruit-circuitpython-simpleio`.

Read the [docs](http://circuitpython.readthedocs.io/projects/simpleio/en/latest/) for info on how to use it.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip install adafruit-circuitpython-simpleio`.

Read the [docs](http://circuitpython.readthedocs.io/projects/simpleio/en/latest/) for info on how to use it.

Fix for simpleio.tone to work with CircuitPython 3.x+

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip install adafruit-circuitpython-simpleio`.

Read the [docs](http://circuitpython.readthedocs.io/projects/simpleio/en/latest/) for info on how to use it.

- Added `setup.py`
- Added PyPI release info to `.travis.yml`
- Updated `requirements.txt`
- Added a more comprehensive `.gitignore`

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip install adafruit-circuitpython-simpleio`.

Read the [docs](http://circuitpython.readthedocs.io/projects/simpleio/en/latest/) for info on how to use it.

Thanks to brentru for the great work!