def options(self):
        opts = super(FacetRangeOptions, self).options()

        for field in self.fields.keys():
            for key in ('limit', 'mincount'):
                oldkey = 'f.%s.facet.range.%s' % (field, key)
                newkey = 'f.%s.facet.%s' % (field, key)
                if oldkey in opts:
                    opts[newkey] = opts[oldkey]
                    del opts[oldkey]

        return opts
Override options so we can move limit & mincount from facet.range to
dataset/ETHPy150Open lugensa/scorched/scorched/search.py/FacetRangeOptions.options