Hi Greg,
thanks for the detailed response. I think you're right, When I started
working on Jewel DG I was wondering about columns designed as Array instead
of ArrayList, since the latter provides better manipulation of items. But I
think is ok to handle that way and take into account that it
As discussed with you directly Carlos, I personally don't think it needs to
be ArrayList.
Usually changing things at this level (swapping 'columns') is rare, but it
should be supported. Flex uses Array here too, and I am guessing similar
considerations were used in the api design for the Flex
