adding changes post HUD review
adding dateDeleted metadata from https://github.com/hmis-interop/xml/issues/32 ; adding xpath 2.0 assertions to enforce cardinality from https://github.com/hmis-interop/xml/issues/30 ; adding IDs to all complex types within Export from https://github.com/hmis-interop/xml/issues/28 ; adding in Military 'States' from https://github.com/hmis-interop/xml/issues/26