Improve table_extras calculation
Improve table_extras calculation

The system now supports any table_extras added via configuration.

RAMSProject/rams,magfest/ubersystem,migetman9/ubersystem,magfest/ubersystem,magfest/ubersystem,migetman9/ubersystem,md1024/rams,md1024/rams,md1024/rams,migetman9/ubersystem,RAMSProject/rams,RAMSProject/rams,magfest/ubersystem