* e88302a Add logging to authentication module
                                              * 7663e7c Add application configuration system
                                                                                            * 176e06c Add enhanced input
 validation
           * 60d6df9 Fix password validation security issue
                                                           * d2ec6a0 Add comprehensive test suite
                                                                                                 * 51ce188 Add utility f
unctions and logging
                    * ca5782b Add user dashboard interface
                                                          * e87b32a Add user authentication module