Major change : Added objTax.SaveDetails for Avalara
This package contain the methods CreateTransaction and ValidateAddress for the API of Avalara, Sovos and xTax.
Update pacckages
This package contain the methods Upload, Tracking Number for API ShipStation, ReadyShipper, Ware2Go, LandmarkGlobal, TaiwanShipping, ShipCentral, and XpsShip.