Now on PyPi!

• 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.

To use in CPython, pip install adafruit-circuitpython-tca9548a.

Read the docs for info on how to use it.

initial release

let there be multiplex!