Version update to 0.6.8

Version update to 0.6.7

Version update to 0.6.6

Version update to 0.6.5

Fix discovery of atmospheric_pressure device class (dext0r#457)

Version update to 0.6.3

Version update to 0.6.2

Version update to 0.6.1

Change INITIAL_REPORT_DELAY in notifier

Add sending initial states after devices discovery