Some small changes
Moved fixrefs code to AssetUtils
Create backup only if the file has been changed
Logging and code format updates
Refactored asset handler classes
Converted singleton ClassID to static. Why the hell did I thought that was a good idea?
Updated comments
Removed DisUnitySettings dependency in AssetExtractor and AssetDumper and introduced ClassFilter interface instead
Extracting some RGB(A) texture formats as Targa now
Cleaned up imports
Learned some new structs from Blizzard's Hearthstone
Don't keep empty directories
Moved support text to SUPPORT.md