Only report active relays

Author: matteius

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = growmax
-version = 1.2.5
+version = 1.2.6
 author = Matt Davis and OpenSensor.io
 author_email = matteius@gmail.com
 description = Micropython routines for automated plant watering and monitoring.