Fix module names for schema with uri locations; absent namespace multiple schemas all go in same module
Fix module names for schema with uri locations; absent namespace multiple schemas all go in same module

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