usive checkout because there is no
            way to merge two Sessions that have been edited. Exclusive checkout will prevent others
            from making changes to the session until an Undo Checkout is performed.</LI>
            
            <LI>In order for others to check out a Session that another user has added to source 
            control, the two programs used in creating the session must be first added to source 
            control. NOTE: The exact two programs used when creating the Sessio