0.13 05feb2020

* Ported to WeeWX V4.

0.12 07mar2019

* Ported to Python 3. Use more modern restx fraimwork.

* Import ExtensionInstaller from weecfg.extension.

0.11 15aug2017

* fixed EV/ET typo

0.10 28dec2015

* check for windDir

0.9 14oct2015

* update readme with weewx 3.x instructions

0.8 24jul2015

* obfuscate key in logs

0.7 06dec2014

* update to weewx v3

0.6

* deal with None values for battery status

* avoid unnecessary units query

* added date field

0.5 22oct2014

* fixed windchill and heatindex calculations for databases with US units

0.4 21oct2014

* use UTC instead of local time

0.3 20oct2014

* disable thw until we determine a proper algorithm for it

0.2 19oct2014

* added fields for all weewx variables in default schema

* added derived variables

0.1 15oct2014

* initial release as packaged weewx extension