Please don't make whitespace changes, thanks.
Also, looking at [what has actually changed](https://github.com/jarun/googler/pull/142/files?w=1), I don't think simply commenting out existing logic makes it mergeable.
If you would like to contribute proxy authentication support, please do it properly by parsing the proxy string at arg parser level, and tweak whatever wrapper as necessary to accommodate proxy authentication. Otherwise, I'm afraid you'll have to keep your patched version to yourself.