Style fixes

A bunch of style fixes. Mostly white space and style import order
tweaks, but a few other stylistic changes are present too.

Adjuster.py

@@ -11,8 +11,7 @@ class ArgumentDefaultsHelpFormatter(argparse.RawTextHelpFormatter):
     def _get_help_string(self, action):
         return textwrap.dedent(action.help)
 
-
-if __name__ == '__main__':
+def main():
     parser = argparse.ArgumentParser(formatter_class=ArgumentDefaultsHelpFormatter)
 
     parser.add_argument('--rom', default='ER_base.sfc', help='Path to an ALttP JAP(1.0) rom to use as a base.')
@@ -46,4 +45,7 @@ if __name__ == '__main__':
     loglevel = {'error': logging.ERROR, 'info': logging.INFO, 'warning': logging.WARNING, 'debug': logging.DEBUG}[args.loglevel]
     logging.basicConfig(format='%(message)s', level=loglevel)
 
-    adjust(args=args)
+    adjust(args=args)
+
+if __name__ == '__main__':
+    main()