Trying to create my own version of QAbstractItemModel
Got some of the basic functionality working
Trying to add a QAbstractModel
Well that didn't work out as I hoped. Guess I'll go back to managing things myself.
Changed some of the icons to be more clear
Trying to refactor the measurement tree
Having trouble separating the tree from the processing widget
Most things have been factored out, though there's clearly still work to do
closes #108 Done refactoring the measurement tree