Allow stubbing based on query xmlns

stabber.h

@@ -30,6 +30,7 @@ void stbbr_set_timeout(int seconds);
 
 int stbbr_auth_passwd(char *password);
 void stbbr_for_id(char *id, char *stream);
+int stbbr_for_query(char *query, char *stream);
 
 void stbbr_wait_for(char *id);