randomizer

Add the ability to save/load what options you have selected to easily generate new seeds with the same settings. Could also ensure race seed is always made correctly and easily.

Since the combat visor is now shufflable.

I understand that that now makes 31 items which makes an even grid aesthetically difficult, but maybe subtract energy tanks, or add missile expansions for 32, with 4 rows of 8

There is a missing functionality in payment.rs.

• Add credit_card_luhn_number body, whould generate a proper luhn validated credit card number.