Forum member Icanus has created a program that will let you edit the unit stats. This is the first big step for modding IG, based on the information provided by Pyro Studios.
As always you can find the program in our downloads database, but just for your viewing pleasure the links below:
DTEdit.zip this is the latest version that you need to edit the stats
DTFileIO.zip this file contains the documentation that you need to edit the stats.