Codetables & Lessons
Added codetable functionality, they can be loaded into session scope via codeTables.php by calling functions loadSubjects() or loadMatches().  These functions return true or false (representing whether they could be loaded or not).   These functions also use a timestamp to determine when they should be reloaded (every hour is appropriate for now).

Can now create lessons, update lesson works as well.  Time zone functionality resolved by hard coding everything to eastern time.