fixes and other stuff

[tomg]

I have removed the vcf9 until it's fixed. I'll be back shortly.

I have been getting some questions on the hexvca. Seems
it's hard to figure like it was drawn. So here's a new Tom-ified
version...Yes it has been tested. I don't think I screwed anything
up on this one.

http://www.mindspring.com/~vco/cbook/pics/hexvca.gif

You know if you could stand a hex scanner this would simplify 
things a lot....hummmm maybe there's a scanner in my future.

I don't know how it works!!! I guess each section is powered by
it's cv in??? But I do know that it works. At extreme settings
the audio mix can become a little unbalanced. But it sounds ok
to me...

-tg