Add BATS PITCH 1.12.2 support

Signed-off-by: Jussi Virtanen <jussi.virtanen@valotrading.com>
Use BATS PITCH 1.12.2 as baseline

Signed-off-by: Jussi Virtanen <jussi.virtanen@valotrading.com>
Add BATS PITCH 1.12.0 specific constants

Signed-off-by: Jussi Virtanen <jussi.virtanen@valotrading.com>