support for user-specified User-Agent
support for user-specified User-Agent

sferik/yajl-ruby,brianmario/yajl-ruby,tenderlove/yajl-ruby,sferik/yajl-ruby,brianmario/yajl-ruby,brianmario/yajl-ruby,mrkn/yajl-ruby,tenderlove/yajl-ruby,sferik/yajl-ruby