TODO

   1 ClientPutComplexDir
   2 ClientPutDiskDir
   3 GetPluginInfo (since 1075)
   4 GetRequestStatus
   5 ModifyConfig (since 1027)
   6 ModifyPersistentRequest
   7 PutFetchable
   8 PutSuccessful
   9 RemovePersistentRequest
  10 SubscribeUSK
  11 UnknownNodeIdentifier
  12
  13 ManageNodesDialog
  14 * prevent deletion of currently connected nodes
  15