FIX: simplejson -> json AND old self.finish( WErr.fromSERROR(...) )
Added extra logging info of who requests what
Merge remote-tracking branch 'upstream/integration' into proto

* upstream/integration:
  Added extra logging info of who requests what
  FIX: simplejson -> json AND old self.finish( WErr.fromSERROR(...) )
ConfigurationManager: Comma-santized value when creating option