tree 9a7f3d8d35735272833f4d0f637d9ede3fd8890c
parent 4855e7e1be57a649f81fdee098c9972f4f079488
author JArod <jarodwen@gmail.com> 1370036174 -0700
committer JArod <jarodwen@gmail.com> 1370036174 -0700

checkpoint: added type hierarchy support; updated sum to support heterogeneous list