That's a very nice program!
I guess you are right, few people actively enjoy CC anymore. Let's just hope that with the rise in popularity Minecraft currently experiences, some people will start playing ComputerCraft again.
Your main features are by themselves, pretty big projects. I certainly would feel overwhelmed by that amount of work. You could try breaking this huge projects up into smaller sub-projects, if you like. A text-based lua debugger similiar to gdb would really be useful.