- fix re-connection after connection loss to broker

- add subscribe call after reconnect
  - additional config settings for timeout values
- add more info/warn outputs
- change default log level from "warn" to "info"

internal/PinControlService/PinControlService.go

@@ -49,7 +49,7 @@ func (p *PinControlService) _task() {
 		select {
 		case <-p.timer.C:
 			for pinName, pin := range p.Pins {
-				log.Debug("timer event")
+				//log.Debug("timer event")
 				if pin.Changed() {
 					log.Debugf("detected pin change for pin %s (pin no %d)", pin.Name, pin.Id)
 					if pin.SendChangeEvents && p.OnChangeCallback != nil {