2014-07-10
. now syncs its clock to the server on startup and scan-in
. now records basic data about each customer, including a small B&W photo
. now records each transaction made on the device
. now gives cashier the option of accepting a transaction offline
. refactored json strings as a class
. new DbHelper, Db, and Q classes for managing the database
. revised the RPC interface to accommodate all these changes