Human rights not top priority in Rwanda, but hopes remain / UK plan to send migrants to Rwanda criticized by human rights groups after Parliament backs new law / Rwanda bill 'raises major concerns', top human rights official says / UK parliamentary rights watchdog calls plan to send migrants to Rwanda incompatible with human rights / Rwanda bill 'incompatible' with human rights law / UK government admits Rwanda has 'issues with its human rights record' / Rwanda bill includes power to disregard some human rights law