Also squashed a bug with the second B12Digit constructor not filling initializing refPos.
B12Class is now officially deprecated. It's functionality has been rolled into the B12Digit class. All references to B12Char have been switched to B12Digit, but the code has not yet been refactored to use B12Digit with total efficiency
In the process of adding keypad, math, etc., and about to break B12Digit class