When making changes to the color correction
it would be usefull to be able to Abort the current calculations.

This is normally not an issue with small image sets but when a large set is being used it
takes a long time to calculate and it would be nice to abort that process if I wanted.

One question in regards to this is:
when changing anchors for color correction does current calculation finish its previous setup before
calculating the new change? or does it start new calculations right away to reflect the changes?