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/README b/README
index ccf6ac3..42c87df 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 This is Python version 2.2
 ==========================
 
-Copyright (c) 2001 Python Software Foundation.
+Copyright (c) 2001, 2002 Python Software Foundation.
 All rights reserved.
 
 Copyright (c) 2000 BeOpen.com.