Add Chris Kennelly to the contributors list.
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 5b73510..c20993a 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -23,6 +23,7 @@
 # Please keep the list sorted.
 
 Arne Beer <arne@twobeer.de>
+Chris Kennelly <ckennelly@google.com> <ckennelly@ckennelly.com>
 Christopher Seymour <chris.j.seymour@hotmail.com>
 David Coeurjolly <david.coeurjolly@liris.cnrs.fr>
 Dominic Hamon <dma@stripysock.com>