History for LimitingAccessToAUsersPlace

??changed:
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A user has a place defined as the folder
containing the user folder that they came from

A user is not allowed to access any protected resources
outside their place. The access machinery checks
the user's place using the acquisition method, 
!'aq_inContextOf'. This method checks to see if two
objects have the same ancestor. Currently, this check
checks identity of wrapped objects. For example, if
both objects have the same underlying ancestor, but
the ancestor is wrapped separately, then conext 
check will fail.