SelectScens
TreeView header is dynamic
Edit header in dgEquations
addScen. Presentation of load
selectEqns respects ordering of indices
SingleOutputPlot respects scens ordering
Allow adding from blank
OutputStats now listens to scens
Fix AllToCSV
AllFromCSV
Load combined csv ignores empty rows
getSubset throws error if variable is its own child
Fix OutputStats error preventing univariate_crossover update
plotNPV no longer restricts variables used as argument
evalTermsFun allows manipulating any variable