Update README
Update MainWindow.py
Update MainWindow.py

New Class "ListBox" to handle input & output data.
Update MainWindow.py

Minor corrections:
- added ListBox.ColorList() and change the code to force even lines to have whote background,
- correct 'reload' action to empty the output list,
Update
Add 2 Checkbuttons to suppress input files & script
Merge pull request #1 from uko31/Version1

master