Fix 13245:
sched.scheduler class constructor's timefunc and delayfunct parameters are now optional.
scheduler.enter and scheduler.enterabs methods gained a new kwargs parameter.

Patch contributed by Matt Mulsow.
diff --git a/Misc/ACKS b/Misc/ACKS
index 952644b..1036065 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -11,6 +11,7 @@
 PS: In the standard Python distribution, this file is encoded in UTF-8
 and the list is in rough alphabetical order by last names.
 
+Matt Mulsow
 Rajiv Abraham
 David Abrahams
 Ron Adam