Can appointments be booked using WooCredits instead of money? Is it possible to tweak the code so that WooCredits are entered as a currency/price?  Using WooCredits would allow customers to pay once for credits (part of WooCredits plugin) and then book times without paying each time, using credits instead. WooCredits and WooCommerce cart keep track of how many credits the customer has, so Easy Appointments would just need to make WooCredits a currency option. Is this possible?