Add 2002 to PSF copyrights.

Doc/README is odd; it assigns some copyright to the PSF in 2000, when
I didn't think it existed...
diff --git a/Doc/README b/Doc/README
index 64fe304..4ff9783 100644
--- a/Doc/README
+++ b/Doc/README
@@ -213,7 +213,7 @@
 as long as you don't change or remove the copyright notice:
 
 ----------------------------------------------------------------------
-Copyright (c) 2000, 2001 Python Software Foundation.
+Copyright (c) 2000-2002 Python Software Foundation.
 All rights reserved.
 
 Copyright (c) 2000 BeOpen.com.