Feature Request: Use bounding box to split area

[RedAuburn]

It would be very useful if you could split an area with more than 4 nodes, this could be accomplished by generating a bounding box, and splitting the area with it.

(incredible) Diagram:

this would be very useful for terraced houses such as these

[RedAuburn]

There could also be an auto-snapping of nodes if they are really close to the line, to prevent node duplicates