Don't convert subparser name to lower case

gooey/python_bindings/argparse_to_json.py

@@ -62,7 +62,7 @@ def convert(parser):
     layout_type = 'column'
     layout_data = OrderedDict(
       (choose_name(name, sub_parser), {
-        'command': name.lower(),
+        'command': name,
         'contents': process(sub_parser, getattr(sub_parser, 'widgets', {}))
       }) for name, sub_parser in get_subparser(actions).choices.iteritems())