Plugwise : move some binding messages to the DEBUG logging level
Fix a lock() race condition halting the binding
Add extensive debugging info/output (to be removed later)
Enable stick.retries parameter in openhab.cfg to set max number of
retries when sending message on the ZigBee network
Plugwise : small improvement to logging
Merge pull request #850 from kgoderis/plugwise

Plugwise - various fixes