issue #305, accept any 2xx code for http_transport
issue #305, accept any 2xx code for http_transport

imacube/python-beaver,josegonzalez/python-beaver,davidmoravek/python-beaver,doghrim/python-beaver,imacube/python-beaver,Open-Party/python-beaver,PierreF/beaver,python-beaver/python-beaver,Open-Party/python-beaver,rajmarndi/python-beaver,rajmarndi/python-beaver,josegonzalez/python-beaver,jlambert121/beaver,doghrim/python-beaver,PierreF/beaver,jlambert121/beaver,python-beaver/python-beaver,timstoop/python-beaver,davidmoravek/python-beaver,timstoop/python-beaver