About This File
This is a tool that to create multi-image textures.
It can also add images to a fsh file in an existing dat.
The instance range in "instRange.txt" must be changed to your assigned range.
Additional documentation is in the Readme.
Requires: .NET Framework 3.5 Client Profile
https://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=14037
Thanks to null45!