cannot create" rule.  We define a __creatable_by_super__ method that
returns a true so that user folders (BasicUserFolder) could make
themselves addable by super for bootstrapping purposes.

An object (typically a class) can define a __creatable_by_super__
method that returns a true object if the object can be created by
the superuser. This was needed so that user folders (BasicUserFolder)
could make themselves addable by super for bootstrapping purposes.

Added a couple patches, fixed superValues

to change. The new security policy machinery makes the root of the
hack unnecessary now.

Collector #1183: Mask unintended exceptions leaking from manage_deleteObjects() (allowing broken objects to be deleted)

- Usage of integer arithmetic where possible to
  eliminate rounding errors.

- Better support for daylight savings time.

- Usage of long integer milliseconds, making it
  possible to do date comparisons with more
  logical results.

- Fixes for Y10K and Y1K bugs. ;^)

the interpreter check interval.