Created a new file session.php to handle all user session
The session.php file contains the Session class and its attributes and method for mannipulating the 
Session object
Added the __autoload function to handle call to instantiated classes
with better error message whenever a call to a class fails
Modified the index.php file to include call to the __autoload function
Created a directory admin and two files index.php and login.php in the admin directory
To handle login into admin section and dispaly the admin index page
Ceeated a new php file initialize.php
To modularize calls to require_once function
And to define absolute and core paths to our files
Modified the files to include new function initialize.php
and also refactor codes in the files
Created new directory layouts in the public directory
And created four files footer.php, header.php, admin_header.php, admin_footer.php
Intended to split out content into sections
modified the main.css class to include a style for the H2 header
created HTML markups for the layout files
Modified the functions file to include a new function include_layout_template
to include template files
Created a new file database_object.php to handle common methods and attributes to all database related classes
Modified file and refactored code snippets in the files