'''Find the module of the given name.

        If the module can be find in the folder or a parent folder
        (within the site manager), then return it, otherwise, delegate
        to the module service.

        This must return None when the module is not found.
        '''                                                            

'''Get a registration manager.

        Find a registration manager.  Clients can get the
        registration manager without knowing its name. Normally,
        folders have one registration manager. If there is more than
        one, this method will return one; which one is undefined.

        An error is raised if no registration manager can be found.
...                                                                    

'''Resolve a dotted object name.

        A dotted object name is a dotted module name and an object
        name within the module.

        TODO: We really should switch to using some other character th\
an
        a dot for the delimiter between the module and the object
...