TODO

   1 ClientPutComplexDir
   2 ClientPutDiskDir
   3 GetPluginInfo (since 1075)
   4 GetRequestStatus
   5 ModifyConfig (since 1027)
   6 PutFetchable
   7 PutSuccessful
   8 RemovePersistentRequest
   9 SubscribeUSK
  10 UnknownNodeIdentifier
  11
  12 ManageNodesDialog
  13 * prevent deletion of currently connected nodes
  14