extend make_ufunc and improve wrap_xarray_ufunc defaults (#1107)
extend make_ufunc and improve wrap_xarray_ufunc defaults (#1107)

* extend make_ufunc and improve wrap_xarray_ufunc defaults

* lint

* wrap_xarray_ufunc defaults
arviz-devs/arviz,arviz-devs/arviz,arviz-devs/arviz,arviz-devs/arviz