Also provide Windows version which uses 64-bit launcher.
Added "Combine" method for working with two arrays in one plot. Acts similar to "Average" option, but if one array's data point value is NaN, other array's value is used rather than assign NaN to data point.
Re-factored lon-lat map grid spacing to allow non-integral values.
Bugfix: Data on simple lat-vert grid recognized but plotting not enabled.
Bugfix: (Windows) Cut, copy, paste and select-all in text field non-functional if invoked from menu items rather than as keystrokes.