Fixed one wrt manage_editForm.

doesn't set an exception when it returns NULL.

These bugs are bugs that should not occur unless pickles are corrupted.

right into Persistent in Globals.

right into Persistent in Globals.

Changed aq_self to aq_base.

"save" acquisition chain, but it's not a chain anymore.

right into Persistent here.

__roles__ rather than a PermissionRoles.