[racket] Embedded Racket 5.1.3 on Windows

> Meanwhile, if you move the call to Interpreter::Register() to just
> after scheme_basic_env(), like this:
> does it work?
Yes, it works! Thank you.

One of our modules 'collada-import' is giving an error during boot, 
which you need to uncomment in modules/scheme/fluxus.ss if you want to 
experiment with building fluxus.

Best,
Gabor