Credit card processing company Square has updated its Register app with a number of new features to make it easier to use in restaurants, as well as speeding up checkout in other types of retail businesses. For the iPad edition, restaurants can attach a customer's name to their order, as well as customize orders with modifiers like "no pickles" -- and the app also has gained the ability to connect to Bluetooth barcode scanners for retail outlets. What's new New on iPhone: - Item library: Add items to a sale with a tap. Build your item library to simplify and speed up checkout. Customize items with photos, names, and prices. - Smarter payment pad: Add multiple custo
