* Test values besides low and high. Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Only add highest if different and remove check Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Add env var Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Update README Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Add tests Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>