commit 4c8124ffcf4039d292442eeccabdeca5af5c5017
tree 672eca9b7f9e09c22dcb128c283e8c3c8d7697a4
parent 634396b2f541a9f2d58b00be1a07f0c358b999b3
author Tom Preston-Werner <tom@mojombo.com> 1191999972 -0700
committer Tom Preston-Werner <tom@mojombo.com> 1191999972 -0700

    implement Grit#heads
