The only point of this module is to reexport items that we want from the
standard Prelude.

> module PreludeBase (module Prelude) where
> import Prelude hiding(
>        Int, Integer, Float, Double, Rational, Num(..), Real(..),
>        Integral(..), Fractional(..), Floating(..), RealFrac(..),
>        RealFloat(..), subtract, even, odd,
>        gcd, lcm, (^), (^^))