Make the simplifier O(n) instead of O(n^2)
Make the simplifier O(n) instead of O(n^2)

Ignore-this: 9ef7955e492aa9f36cecd3b7e6b01c80

darcs-hash:20081120233412-26c35-96215e2d80ec9dde1e011f0cc45fc7854680db18

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc