Add parse_query_string.
Add parse_query_string.

It's strange that this is not built in. The Note at
http://dev.w3.org/html5/spec/Overview.html#url-encoded-form-data is
worth reading.

infinity0/flashproxy,infinity0/flashproxy,glamrock/flashproxy,arlolra/flashproxy,glamrock/flashproxy,arlolra/flashproxy,arlolra/flashproxy,infinity0/flashproxy,infinity0/flashproxy,glamrock/flashproxy,infinity0/flashproxy,arlolra/flashproxy,glamrock/flashproxy,arlolra/flashproxy,arlolra/flashproxy,infinity0/flashproxy,arlolra/flashproxy,glamrock/flashproxy,glamrock/flashproxy