This is super cool :) It seems a little tough to visualize "flow" at first glance - some optional animations might be handy? e.g: when data comes in, animate a

This is super cool :) It seems a little tough to visualize "flow" at first glance - some optional animations might be handy? e.g: when data comes in, animate a little bubble moving along the path, or little conveyor-belt style animations. An undo/redo feature (or more complex version control) would also be appreciated, I deleted a node and couldn't find a clear way to restore it.