* 9de8135 Add logging to authentication module
                                              * 6bf4a2a Add application configuration system
                                                                                            * 22a41c8 Add enhanced input
 validation
           * cad13cc Fix password validation security issue
                                                           * 1340f49 Add comprehensive test suite
                                                                                                 * 419964d Add utility f
unctions and logging
                    * f744931 Add user dashboard interface
                                                          * 768cfa5 Add user authentication module