request_constructor is now a Source method. update_etags now takes &mut self instead of mut self. update_etags now uses source setters methods instead of raw fields. changed the naming of into_feed to to_feed according to rust convention.
request_constructor is now a Source method. update_etags now takes &mut self instead of mut self. update_etags now uses source setters methods instead of raw fields. changed the naming of into_feed to to_feed according to rust convention.