Save/load menu part 1 - New GUI (not working yet)
Different approach - using existing structures
Little code cleanup
Merge pull request #4 from mas1904/compileWindows

Compile windows
Merge remote branch 'origin/master'
Loading game works
Video mode dialog repaired
Saving works with new window
Code cleanup & save code tweaks
Option to create new folders while saving
Mod select screen ready (choosing not implemented yet)
Small tweaks for better windows functionality
Additional mod folders supported (new file formats NOT supported)
Code cleanup, changelog updated
Code cleanup
Folders restructured again - PGF user interface will not be used
Campaign, scenarios and saves work with new folder structure
Program can list files according to extension
Code cleanup
Mod select dialogue updated & few fixes