accountNode = [[PithosAccountNode alloc] initWithPithos:self.pithos];
accountNode.childrenUpdatedNotificationName = nil;
accountNode.inheritChildrenUpdatedNotificationName = YES;
accountNode = [[PithosAccountNode alloc] initWithPithos:self.pithos];
accountNode.childrenUpdatedNotificationName = nil;
accountNode.inheritChildrenUpdatedNotificationName = YES;