#88 Added endpoints for Sale/CreditRefund, Sale/CreditSettlement, Purchase/DebitRefund, Purchase/DebitSettlement, Purchase/SupplierPayment (thanks @timrichardson!).
#88 Added endpoints for Sale/CreditRefund, Sale/CreditSettlement, Purchase/DebitRefund, Purchase/DebitSettlement, Purchase/SupplierPayment (thanks @timrichardson!).