AUTHORS: updated again

AUTHORS

@@ -16,6 +16,9 @@ Robert Collins <robert.collins@canonical.com>
 - Change the package index Info methods to allow apt-cache policy to be useful
   when using several different archives on the same host.
 
+Julian Andres Klode
+- Development, bug fixes
+
 Eugene V. Lyubimkin
 - Development, bug fixes