1.5.0.0 Update

Version 1.5.0.0
- HUMONGOUS internal rewrite:
- Overhauled VTF/VMT export engine - less hardcoding, more code
legibiity
- Added check to see if game is installed
- Force creates directories now if the proper directories do not exist
(reduces errors!)
- Source code is now available!
- https://github.com/Vampyrium/vtf-spray-installer