[plt-scheme] PLT Scheme v4.0.1

PLT Scheme version 4.0.1 is now available from

  http://plt-scheme.org/

This release fixes a number of bugs.  Most noteworthy, the "Internal
Error" message when requiring a PLaneT package has been fixed and
user-defined teachpacks now work properly.

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