+5. Speed up input queue processing (a lot).
+6. make set/isolate and acc/route mutually exclusive (and issue appropriate
+error messages) and fix set/iso on PC18 input.
+7. Improve stat/route_node and stat/route_user for diagnostics.
+8. strip top bit of comments in ann/spots.
+9. fix the announce filtering problem.
+10. Fix the double announcement of node disconnections?