Add msgpack_pure as fallback for C-Based msgpack package
Add msgpack_pure as fallback for C-Based msgpack package

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