Originally Posted by badmofo 
I've had a bit of a poke around and can kind of see how it all hangs together, but changing that stuff would be a grind without the SDK.
BUT I've had a mysterious stranger message me with a question about the unpacker and he/she mentions that they will release the SDK on this forum later. Wow, that would be huge!
What?! The SDK?! A possible release?! :O