Why did I stop?
Well after some good early progress it proved extremely troublesome with crashes that I couldn't track down. If I remember rightly the structure of the code was a nightmare too. Basically it frustrated the hell out of me and I got bored.
Am I likely to pick it up again?
Nope. It was too much of a pain in the ass, and I didn't enjoy working on it.
Can someone else carry on my project?
Again, no I'm afraid. I have no idea what happened to the source for that one. But getting to the stage I did hardly took any time at all, I think I knocked it out in a couple of hours one sunday morning or something. So it's not impossible for someone to quickly duplicate what I had.