Included main controller class
Updated 404 redirect URL
Created the database class.
Changed empty strings to null.
Created the basic model class.
Added an inflection class for pluralizing and singularizing class names for models and controllers.
Updated database to work with the new model structure.
Updated to allow for 404 handling and extra security.
Updated to include the latest classes.
Created the file for the 404 error.
Created the Category model class.
Added default header and footer for all pages.
Moved class inclusions to a standalone file.
Changed the way the methods are called to provide for methods with only one parameter.
Created navigation menu with category list.
Created main controller class.
Added the models for each controllers.
Created the categories element controller class.
Updated some syntax and commenting.
Updated access on getCatById function.