Conditional Styles not adding stylesheets

Not sure if anyone else is having this problem but I wasn't able to get conditional styles to add css files to my pages, after some digging I noticed the in the 'info' part of the arrays, the 'stylesheets-conditional' element should have been named 'conditional-stylesheets'. I made those changes and everything works for me. Maybe this was fixed in dev (I haven't tried it) but on the off chance that it hasn't here's a patch with the changes I made.