Provide way to initialize a namespace context upon construction
Provide way to initialize a namespace context upon construction

jonfoster/pyxb1,CantemoInternal/pyxb,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb2,pabigot/pyxb,jonfoster/pyxb2,balanced/PyXB,balanced/PyXB,jonfoster/pyxb2,balanced/PyXB,pabigot/pyxb,jonfoster/pyxb-upstream-mirror,CantemoInternal/pyxb,jonfoster/pyxb-upstream-mirror,CantemoInternal/pyxb,jonfoster/pyxb1