[racket] Three new builds

Two hours ago, Doug Williams wrote:
> I downloaded the Win64 build. Generally things work fine. For
> example, the tests in the science collection work fine - including
> the plots, etc. The simulation collection runs fine for a while, but
> seg faults on some (very numerically intensive) examples if I run
> them several times. But, it is certainly a good start.

There was one low level bug that Matthew fixed today after the build
started, so that might be it.

BTW, if anyone wants an x86_64 bit build and has a machine to do it
on, now is a good time.

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!