updated gitignore
backup. experimenting with the serial connection
Added SerialCOnnection package. added ConnectionCreator class. added connectionCreator() with test.
added connect() and getSerialPort() to ConnectionClass class
added configure(), configureWithDefaultValues(), getConfiguredSerialConnectionInstance() and ConfigureSerialConnection class and added the corresponding tests.
backup before refactoring..
refactored the project. added serail data frame handling
backup...
backup...
added annotation decoding
added ping and timeout
added incoming command handler functions
bugfixes
backup
added GUI and UnitPriceDAO
added CardDeatilsDAO
added TransactionDAO
added CustomerDAO
updated communication protcol values, added new commands, FrameEventProcessor now uses DAOs
GUI now can add Customer