patch applied (packages/polyparse): Initial implementation of native parsing of basic types.

[Malcolm Wallace]

Fri Feb  8 08:53:36 PST 2008  Malcolm.Wallace at cs.york.ac.uk
  * Initial implementation of native parsing of basic types.
  i.e. no longer re-using the Read instances for Int,Integer,Float,Double, etc
  Incomplete (still uses Read for Char), and untested.

    M ./src/Text/Parse.hs -6 +57