Kawa-1.7beta1 available

[Per Bothner]

Jim White wrote:
> Attached is a small patch that fixes the Ant build (additions in 
> gnu/kawa/slib and gui.scm was missing for jemacs)

Thanks!  I checked this in.

> and adds a few missing 
> string functions to Qexo (which I'm using in a XML Forms project - 
> http://www.pagesmiths.com/webforms).

I added these, but using the new define_function method.
This avoids creating extra classes.
-- 
	--Per Bothner
per@bothner.com   http://per.bothner.com/