Make corners taken from room walls belong to the room
Add ShortShow instances for Plane and Room
Set sDebugProjectPlanePointsToEq to True by default
Move back to giving room planes a direction on loading.

The undirected planes didn't make much sense.
Add a '. Fixes all my rotation problems. Finally.
Refactor
Add useful prints
Rotate room walls *against* each other
Fix typo
Hot code reloading: Check if the State type changed with Generics