0.09 = 2022-08-04
  * Noting deprecation of v1
0.08 - 2021-04-03
  * Added "temperature" option.
0.07 - 2020-10-05
  * Fixed broken link in documentation (thanks, Dave Smith)
  * Fixed bin/aqi documentation
0.06 - 2020-09-25
  * Fixed bin/aqi documentation (thanks, Grinnz)
  * Fixed lib/Weather/PurpleAir/API.pm documentation (=E<gt> to => in code-quoted section)
  * Fixed missing dependencies in dist.ini
  * Corrected dependency versions in dist.ini to match RHEL6 repo package versions
0.05 - Sun Sep 20 18:20:50 2020
  * Fixed documentation.
  * dist.ini: Added missing prereq for JSON::MaybeXS
0.04 - Sun Sep 20 17:55:58 2020
  * Excised erroneous archive/ subdirectory :-P
0.03 - Sun Sep 20 17:44:12 2020
  * added official USA EPA guidelines for calculating AQI (PDF document)
  * added graphic depicting of PM2.5 to AQI correlation
  * modified:   lib/Weather/PurpleAir/API.pm:  Implemented conformant concentration_to_epa function
0.02 - Sun Sep 20 11:35:05 2020
  * Major refactor to make unit tests easier to write
  * Allow multiple sensors per report
  * Use current or ten-minute average concentration
  * Convert from raw concentration to EPA AQI metric (per PurpleAir map)
  * Pull all results from a sensor and show either each individually or their average
  * Provide a best guess from pruned average of multiple sensors
  * Only print results when asked (eg, when invoked from app vs using the module programmatically)
  * Wrote a unit test (needs a lot more)
  * Wrote some documentation
  * More features implemented
0.01 - Fri Sep 18 23:01:18 2020
  * Initialized repo from ~/bin/aqi throwaway script, split into module + wrapper app.