Capitalized 'UNAUTHORIZED ACCESS' error.
Requests will now be redirected to index.php.
Added RequestBroker class to manage incoming requests.
Broker now caches URI for subsequent calls of getUri().
Request arguments can now be retrieved.
Added database information to settings file.
Corrected wrong class name in comment.
Added DatabaseConnection class.
Added method to select the database.
Corrected wrong class name in header comment.
Corrected wrong class name in other comments.
Added exception class for database errors.