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.

The minimum distance calculation for relative hints takes in consideration portals and elevators. This causes weird results related to Aerie, and possibly the same thing for one-way anywhere elevators.

There is a missing functionality in payment.rs.

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