Update autograder.py, commands.txt, eightpuzzle.py, game.py, ghostAgents.py, grading.py, graphicsDisplay.py, graphicsUtils.py, keyboardAgents.py, layout.py, pacman.py, pacmanAgents.py, projectParams.py, search.py, searchAgents.py, searchTestClasses.py, submission_autograder.py, testClasses.py, testParser.py, textDisplay.py, util.py, VERSION files