diagrams/diagrams-lib — pull request #154 by bergey (2014-02-06 00:29:12+00:00)
Title: Lens4

I think this is ready to merge now, along with https://github.com/diagrams/diagrams-core/pull/51. Both build for me with RC1, which is my main motivation for the update. -contrib and the backends HEAD build against this branch also.