Plugged the redrawing that was slowing down the program, and abstracted out the map min/max into a variable to make it easy for us to adjust the size
Updated the comments for methods and the class invariant. Also updated the print function so it produces something almost identical to the output from verbose Map.java.
Commented out the print() statement because well, AI no like print
Updated the README.txt to reflect the latest changes. This should be final.