docs: def main():
      cmd = sys.argv
      cmd.pop(0)
      """
      parse arguments and make go
      """
      parser = argparse.ArgumentParser()
      parser.add_argument(
          '-s',
          '--src',
          help='source folder to watch',
          default='.',
          dest='src',
          metavar='folder'
      )
      parser.add_argument(
          '-d',
          '--dest',
          help='source folder to watch',
          default=None,
          dest='dest',
          metavar='folder'
      )
      args = parser.parse_args()
      print 'Initializing...'
      config.source_dir = os.path.abspath(args.src)
      if args.dest != None:
          config.dest_dir = os.path.abspath(args.dest)
      init_sources(config.source_dir)
      if cmd:
          c = cmd[0]
          commands = globals()
          if c in commands:
              commands[c]()