Delcom904x

- Graceful Closing of HID Handle.
- Minor packaging improvements.

- Renamed CLI script to `control-decom904x`.
- Fixed 1, error `ModuleNotFoundError: No module named 'control_delcom904x'`.

- Package Update (drop suffix)
- Drop the `.py` suffix from the command-line utility `control_delcom904x` to match normal style of other utilities.
- First release packaged and uploaded to PyPi through continuous integration.

Updated for Python 3. Packaged and uploaded to PyPI. Installation and usage is now as easy as:

$ pip install delcom904x
$ ./control_delcom904x.py --green --red --flash --cycle

First release of a python class to control the Delcom Products USBLMP 904x series multi-color visual indicators. Supports basic functionality including enabling/disabling of colors, flashing, color-cycling and enabling of the buzzer.