[cvs-nhc98] patch applied (nhc98): A very feature-poor initial version of nhc98-pkg utility.

[Malcolm Wallace]

Thu Jul 12 08:58:53 PDT 2007  Malcolm.Wallace at cs.york.ac.uk
  * A very feature-poor initial version of nhc98-pkg utility.
  So far, the only thing it can do is to determine the full and ordered
  set of dependencies for a given package.  It reads .cabal files, taking
  the transitive closure of "depends:" and "build-depends:" fields.

    A ./src/libraries/nhc98-pkg.hs