65d5970 Add logging to authentication module
                                            147aaef Add application configuration system
                                                                                        dc90f94 Add enhanced input valid
ation
     5e5b76f Fix password validation security issue
                                                   5609009 Add comprehensive test suite
                                                                                       1da2cd1 Add utility functions and
 logging
        90f9fcc Add user dashboard interface
                                            991e312 Add user authentication module
                                                                                  893c971 Initial project setup