Version bump to 0.4.2
Version bump to 0.4.2

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