Updated tutorial, expanding 'Consumer' and 'Pipe' sections
Updated README.md to use new `stdout`
Updated tutorial, adding the 'Unfolds' section
Added support for RWST to Pipes.Lift

Added lifting and running functions for RWST to Pipes.Lift.
Merge pull request #57 from merijn/patch-1

Added support for RWST to Pipes.Lift
Added back in Conclusion section to the tutorial
Fixed trailing whitespace.

Stupid GitHub editor introduced trailing whitespace.
Merge pull request #58 from merijn/patch-1

Fixed trailing whitespace.
Added 'ListT' section to the tutorial
Merge branch 'master' of github.com:Gabriel439/Haskell-Pipes-Library
Generalized `Consumer`s in Pipes.Prelude to `Consumer'`s
Generalized `foldl` and `foldM`

This is so that they will work with the upcoming `foldl` package
Added `unsafeHoist` to `Pipes.Internal`