Removed an unused boolean and renamed a method for clarity.
Moved the modles out into their own package.
I wish I could make my mind up about what I'm naming classes.
Renamed ExitDirection enum, and some methods for clarity.
Exits list was not initialized and was therefore throwing a null pointer exception.
Added code for the exit builder.  Adds exits as appropriate to adjacent rooms when an exit is drawn in the cell.
Removed trace.
Added code to add exits to adjacent rooms when exit is drawn in cell.