definitely going to need to adjust data.lst files
This is with last Official update, + Modding DLC. ( will provide list of files in data1.cab once its completed compressing )
Gamefolder 21.2GB, 7,811 Files
EDIT:
Added the data.lst files from doing conversion. ( has all files in archive listed for you, added Listing.rar, which also has all file sizes. 
Data1.cab - 8.81GB
Data2.cab - 1.68GB