Added acknowlegement for Issue #3129
diff --git a/Misc/ACKS b/Misc/ACKS
index 1c1b372..7f97de6 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -188,6 +188,7 @@
 Erik Demaine
 Roger Dev
 Raghuram Devarakonda
+Caleb Deveraux
 Toby Dickenson
 Mark Dickinson
 Jack Diederich