Plan isn't done yet. You can see the preliminary Ruby implementation at http://github.com/dpkendal/Plan http://github.com/dpkendal/Plan, but I'm now working on

Plan isn't done yet. You can see the preliminary Ruby implementation at http://github.com/dpkendal/Plan http://github.com/dpkendal/Plan, but I'm now working on a "final" version in RPython to be compiled by PyPy. The download and docs links are there to show what the website will look like eventually. It should have bigints, though.