v2 First Release

Creates SVG graphs for each device seen with decreasing granularity, daily, weekly, monthly, and yearly.

Fourth Release

Fix issues with 3 byte data packets and negative temperatures.

Third Release

Added support for H5177 devices

Second Release

Minor fixes to make systemd control more reliable at restarting the logger.

First Release

The code works reliably and can be run in the background easily by specifying a log file directory and verbosity of zero.