[twill] twill-sh exception on non-alphanum characgters

[Titus Brown]

On Fri, Sep 15, 2006 at 11:39:44AM -0700, Michael wrote:
-> Entering an exclamation mark(!) in twill-sh throws an exception. 
-> Other punctuation characters cause similar exception.
-> Using twill 0.8.5.
-> 
-> Thanks! Mike
-> p.s.  It's still a great tool despite this one small bug.
-> May be useful to print the twill version in the welcome banner? so if someone
-> copies and pastes twill-sh  output when filing a bug  they don't have to go
-> searching for the twill package version.

Thanks, Mike -- I'll fix both of these for the next release (probably
still a month away...)

thanks,
--titus