+void rb_task_set_priority(VALUE Class,VALUE task,VALUE priority); // Set Priority
+void rb_task_cancel(VALUE Class,VALUE task); // Cancel
+
+/* Upcalls for the application handler */
+void rb_application_handler_on_start_document(void);
+void rb_application_handler_on_end_document(void);
+void rb_application_handler_on_begin_process(void);
+void rb_application_handler_on_process_arg(void);
+void rb_application_handler_on_property(void);
+void rb_application_handler_on_end_process(void);