- added new placeholders %L1 and %L2 which result in the first and second map number (usefull for -warp)
- clicking outside the selection in EditSelectionMode accepts the changes and returns to previous mode
- added function to find the first IWAD (needed for testing parameters)
- removed the nodebuilder option for 3D mode, we don't need a nodebuilder for 3D mode anymore
- removed test parameters information and increased parameter input field (the info will go in help files)