Support prefixed rewrite rules

Change-Id: I47562cd536747534ace1dc6e0ccb61b341db1b7a
diff --git a/kalamar.conf b/kalamar.conf
index 99e16e2..912aca9 100644
--- a/kalamar.conf
+++ b/kalamar.conf
@@ -11,7 +11,7 @@
   },
   Kalamar => {
     api => $ENV{'KALAMAR_API'} // $api,
-    auth_support => 0
+    auth_support => 1
   },
   CHI => {
     default => {