added more test timeouts
Don't try to make callback with invalid SteamAPICall_t
fixed "Result Esult"
Added FormatPrice utility function
Added ItemDefinition.LocalPrice + LocalPriceFormatted
Renamed PriceRaw to PriceCategory
Added Inventory.DefinitionsWithPrices
Added Inventory.UpdatePrices (shouldn't need to call manually)
Added Inventory.StartPurchase
Added tests for new inventory stuff
Fixed duplicate method name values
Added Item.Properties
Added item.SetProperty, item.SubmitProperties
Use new DeleteItem for workshop delete