Bump version to 1.17.13

debian/changelog

@@ -1,3 +1,9 @@
+dpkg (1.17.13) UNRELEASED; urgency=low
+
+  * 
+
+ -- Guillem Jover <guillem@debian.org>  Fri, 15 Aug 2014 04:37:57 +0200
+
 dpkg (1.17.12) unstable; urgency=low
 
   [ Guillem Jover ]