Gabriel439/Haskell-Pipes-Group-Library — pull request #4 by jdnavarro (2014-05-11 09:29:19+00:00)
Title: Bump upper bounds for `transformers` dependency

This builds properly with a version of `free` where its dependencies have been updated for the new `transfomers` version. I already submitted the corresponding pull requests for `free` and its dependencies (`profunctors` and `either`).