Default autoAcknowledge explicitly false
Update ChannelProvider interface methods
Reworking channel change processing

- start up retry timers for restored pending changes
- always have the change processor running
- change processor notifies when idle (no work to do and no pending changes)
Acknowledged errors should notify serializers that change was still acknowledged
ChannelProvider methods are public
version 1.0.7

- queue restoration fixes
- fixes locale String.format issues in data store
- change processor improved