building binaries for windows

[Fredrik Lundh]

> note that you still need a Python 2.4 (or 2.3) runtime to run bzr.  the easiest
> way to install the runtime is to install the Python distribution from python.org,
> but most other 2.4 (or 2.3) distributions should work.

make that 2.4 (or 2.4.1).

I didn't notice before, but the current bzr doesn't run on 2.3 on windows
(no os.urandom, and no urandom device).

</F>