I don't think that it's a good idea to make an automatic installer of something that it's no stable for someone who doesn't even know how to use fastboot nor flash a zip. Maybe when this finally reaches the stable "level", then you should do the I...
I had the same problem, it's caused by the lost of the PDS partition. Look for the the pdsfix. You have to use a couple of simple lines in fastboot to flash it, you should be able to do it.