fix to align the parametertypes of register and unregister a configAttribute
(detail/FishEye)
calculation of underlying row- and columnPosition now has a lowest border "-1"
(detail/FishEye)
scrollbarAdjustment is now triggered when cell has been moved into viewport
(detail/FishEye)
scrollbarAdjustment is now triggered when cell has been moved into viewport
(detail/FishEye)
fixes problem that cached row and column positions aren't recalculated correctly because cache-algorythm expects cache object to be null but is made empty (size == 0).
(detail/FishEye)
