def set_title(self, title=None):
pass<EOL>
Sets the title.

        arg:    title (string): the new title
        raise:  InvalidArgument - ``title`` is invalid
        raise:  NoAccess - ``Metadata.isReadOnly()`` is ``true``
        raise:  NullArgument - ``title`` is ``null``
        *compliance: mandatory -- This method must be implemented.*