Started using the ArgumentParser class to get arguments from the command
line. I still need to get more familiar with it. The following is the
link to the ArgumentParser object.
http://docs.python.org/dev/library/argparse.html
http://docs.python.org/dev/library/argparse.html#action
http://docs.python.org/dev/library/argparse.html#argparse.ArgumentParser.add_argument