Update haml dependency to version 4.0.4
Update haml dependency to version 4.0.4

sferik/sign-in-with-twitter,ksmetana/rails-app-twitter-test,sferik/sign-in-with-twitter,ksmetana/rails-app-twitter-test,arrogantgamer/ludum_dare_28,sferik/sign-in-with-twitter,arrogantgamer/ludum_dare_28