v0.9

• limit the number of api fields requested from PurpleAir API (thanks to xslima00)
• switch to using X-API-Key header for PurpleAir API

v0.8

• switch to new PurpleAir API (thanks to @xslima00)
• do not capture stale particle sensor data (thanks to @xslima00)

v0.7

Temporarily revert logging changes in 0.6.

added logging around mismatched data

v0.6

update changelog

v0.5: Merge pull request #19 from bakerkj/multithreaded-service

. Threaded data fetcher (separate from main thread).
. Ported to python 3 and weewx v4.x