clean start commit
clean start commit
selection of labels now working
improved speed a bit by using array imgs
got merge working without duplicates + improved speed next delte => remove and copy to array img instead of simple copy
got merge working without duplicates + improved speed next delte => remove and copy to array img instead of simple copy
converting input labelings to array img based labelings
remove and add of labels working
layout stuff for add remove selection
ignoring missing cells
added free form tool other tools would work  too but they do not indicate that they are finished like they should
added methods to save settings
output is working
adapt to current master