added fast mode attribute to avoid memo checks when pickling.

is dependent on Python version.

        product management into separate interfaces.

        product management into separate interfaces.

      - Through-the-web creation of products and factories.

         - No longer a separate "add objects" permission.

         - Must have "view management screens" to copy.

         - Must have "delete objects" to cut ot delete.

         - Must be able to add an object of the type being pasted.

      - Through-the-web creation of products and factories.

         - No longer a separate "add objects" permission.

         - Must have "view management screens" to copy.

         - Must have "delete objects" to cut ot delete.

         - Must be able to add an object of the type being pasted.

      - Added some missing permission info.

         - No longer a separate "add objects" permission.

         - Must have "view management screens" to copy.

         - Must have "delete objects" to cut ot delete.

         - Must be able to add an object of the type being pasted.

        product management into separate interfaces.

      - Through-the-web creation of products and factories.

acquisition separately.  This makes it much easier to
quickly enable or disable acquisition for all permissions.