v1.40b:
- Fixed an graphic issue where entities will go black.

v1.40a:
- Added FXAA and SMAA in Post-processing settings. (may not be good)
- Modified bloom to look slightly better.
- Fix atmosphere fog where the sky might be affected.
- Changed torch lighting to be bit more yellow.
- Allow atmosphere fog to be disabled in the settings.
- Minor code refactors.
- Changed the first tonemapper's name to Hable.
- Added an debug view where you can select certain debug texture.
