Use slashes as separators in siglen

Change-Id: I368a0e0be8880a0608c7fba1f13ce5688d22973a
diff --git a/Changes b/Changes
index 51dbb27..5a672d7 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,6 @@
+0.17 2016-03-22
+        - Rewrite siglen to use slashes as separators.
+
 0.16 2016-03-18
         - Added caching mechanism for
 	  metadata.