Add an exception to represent problems generating bindings
Add an exception to represent problems generating bindings

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