DOOM BFA Version 1.3.1 file

NOTE: They include additional tools for modders (pk4toBFG, BFGResourceFileManager)

[classicdoom]

- Various Stability and Performance Improvements

- Fix various issues with EXPINFO loading more than one episodes

[DOOM3BFG]

- Fix various issues with the previous version

- Add r_useOpenGLDSA that can allow you to manually enable or disable OpenGL DSA