2 lines for runmaze.cpp (well, technically runmaze.o)
						runmaze.o : runmaze.cpp Maze.h SquareMaze.h MazeRunner.h RandomMazeRunner.h VisualizeSquareMazeRunner.h    g++ -Wall -c -g runmaze.cpp
	The object file runmaze.o depends on runmaze.cpp + some .h files
		The infamous tab character strikes again!
							If runmaze.o doesn’t exist, or is out of date relative to the files past the colon ( : ), here’s how to build it with g++.