patch applied (packages/base): Added Data.Function (Trac ticket #979).

[josefs at cs.chalmers.se]

Fri Nov 10 04:25:03 PST 2006  Nils Anders Danielsson <nad at cs.chalmers.se>
  * Added Data.Function (Trac ticket #979).
  + A module with simple combinators working solely on and with
    functions.
  + The only new function is "on".
  + Some functions from the Prelude are re-exported.

    A ./Data/Function.hs
    M ./Data/List.hs +4