Adafruit-circuitpython-mcp9808

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-mcp9808`.

Read the [docs](http://circuitpython.readthedocs.io/projects/mcp9808/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-mcp9808`.

Read the [docs](http://circuitpython.readthedocs.io/projects/mcp9808/en/latest/) for info on how to use it.

Thanks to sommersoft and brentru for the documentation refinement.

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).

Read the [docs](http://circuitpython.readthedocs.io/projects/mcp9808/en/latest/) for info on how to use it.

Thanks to tannewt for the great work!

2.0 Release with updated MPY binary for CircuitPython 2.x releases. Also updated to use the latest bus device I2C readinto calls (must update Adafruit_Bus_Device library to latest version too!). Note this might not work with CircuitPython 3.0+ releases!