Version bump to 0.4.7
Version bump to 0.4.7

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