patch: adding uniq_by(proc) method for arrays to core_ext

rubyonrails-core
1

I wrote a small patch to add an array.uniq_by(proc) method so that you can select elements from an array based on their unique response to a proc. It's my first Rails patch, so I'd love any feedback / reviews you guys have.

http://is.gd/1OWLO

Thanks!

Joey Schoblaska