Update to 3.2.0.4

changelog:
3.2.0.4  Nov 2013
  * Update package description to Cabal 1.10 format
  * Add support for GHC 7.8
  * Drop support for GHCs older than GHC 7.0.1
  * Add NOINLINE pragmas to `parBuffer`, `parList`, and `evalBuffer`
  to make RULEs more likely to fire