don't use each_with_object, ruby 1.8 doesn't have it
don't use each_with_object, ruby 1.8 doesn't have it

toy/image_optim,mihailim/image_optim,toy/image_optim,toy/image_optim,ramiroaraujo/image_optim,weheartit/image_optim,ramiroaraujo/image_optim,ramiroaraujo/image_optim,mihailim/image_optim,weheartit/image_optim,mihailim/image_optim,weheartit/image_optim