0.7 21feb2024

* fixed rain calculation when rain_total is None

0.6 12oct2020

* Finished port to Python 3. -tk

0.5 02dec2019

* support python3

* deal with corrupt wind readings issue #4

0.4 24may2018

* escape raw bytes when logging

0.3 06jan2018

* eliminate NULL characters from raw returns

* calculate rain properly

0.2 21dec2017

* fixed bug in retry_wait

* clean up open/close semantics

0.1 20dec2017

* initial release