Make views.helpers.html_menu MenuItem classes and logic.menu MenuItem classes more closely related. This is part of some refactoring in my working copy to keep soc/logic/site/sidebar.py from having to deal with html_menu classes (which is like having view code in the controller, which is bad).

class BaseCreation(object):
    """
    This class encapsulates all backend-specific differences that pertain to
    database *creation*, such as the column types to use for particular Django
    Fields.
    """
    pass