daviddavis/rubeque — pull request #79 by Raynes (2012-03-08 03:22:42+00:00)
Title: Switch to RefHeap for sharing solutions.

This pull request is for #75.

I hope that I did this right, but I'm not that familiar with Ruby and rails is a bit of a dark rabbit hole with no bottom. If it is totally wrong, it should at least be a starting point.