ensure all HTTP response payloads are returned as bytes
ensure all HTTP response payloads are returned as bytes

pombredanne/python-engineio,meismyles/python-engineio,drdaeman/python-engineio,miguelgrinberg/python-engineio,meismyles/python-engineio,miguelgrinberg/python-engineio,drdaeman/python-engineio,bharling/python-engineio,pombredanne/python-engineio,miguelgrinberg/python-engineio