Added 1995 to copyright message; added a few people to acks again...
diff --git a/Misc/COPYRIGHT b/Misc/COPYRIGHT
index 56a1b93..4d6bc30 100644
--- a/Misc/COPYRIGHT
+++ b/Misc/COPYRIGHT
@@ -1,5 +1,5 @@
-Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
-Amsterdam, The Netherlands.
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
 
                         All Rights Reserved