Formatting.
Use SMA serial number as the UID filter value, because comm port can
have any number of devices attached to it.
Fix getLastKnownDay() to return null if not known.
Add comments.
Update example UID to a fake serial number.
Add debug toggle for YASDI config generation.
Fixes and updates to get YASDI working.
Treat daily offset settings as volatile, so they don't trigger automatic
setting backups. Otherwise auto-backups are created every time the
auto-backup job runs.
Remove debugYasdi info; wrong bundle.
Add expected device count setting.
Add updated setting info.