PagingController, getPagingData() shall accept  as NULL value too, it this is also accepted by Thallium\Models\DefaultModel::getItems()
PagingController, getPagingData() shall accept  as NULL value too, it this is also accepted by Thallium\Models\DefaultModel::getItems()

unki/thallium,unki/thallium,unki/thallium,unki/thallium,unki/thallium,unki/thallium