tree 9ebbf38b4779b64effec121a6d562c543b613e8b
parent 548467c8d90a62d7e7647ae7b8d04cc6291d811e
author Alex Gaynor <alex.gaynor@gmail.com> 1380819525 -0700
committer Alex Gaynor <alex.gaynor@gmail.com> 1380819525 -0700

Use a None default so composition is easier