Changes to haskell98

Changes to haskell98:
commit 446b1af378b185383b879ab7d1db99c291629144
Author: Herbert Valerio Riedel <hvr@gnu.org>
Date:   Sat Mar 22 13:08:00 2014 +0100

    Update haskell98.cabal and add changelog

    Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>