Hi Barry,
I cannot say if "feedback" is a problem, but note that many months ago, near the beginning of NodeEditor,
I read a post in Grasshopper, of a way to do "feedback," wiring,
which as far as I know, is not normally possible...
Back then, I think I posted a brief sentence about it...
- Brian

ps: General information: The barry.js file goes in the extensions folder of nodeeditor.