All good things must come to an end. Writing documentation is not a good thing, though, and that means it goes on for ever. There is always something we've forgotten to explain, or some essential detail we've left out, but for now you will have to make do with this. Feel free to ask if you can't figure something out.
Enjoy. We hope you find some of this stuff useful.
By Shawn Hargreaves and the Allegro development team.