- unified the 2 script context commands

- minor changes in hipadaba and ascon/devser

devser.c

@@ -117,7 +117,8 @@ int DevQueueTask(void *ds) {
   while (action != NULL) {
     status = AsconTask(devser->asyncConn);
     if (status == AsconFailure) {
-      /* TODO: error handling */
+      devser->errmsg = AsconGetErrList(devser->asyncConn);
+      return 1;
     } else if (status != AsconReady) {
       return 1;
     }