hadley/lubridate — pull request #187 by vitoshka (2013-05-05 12:13:35+00:00)
Title: Stamp iso8601 improvements

Fixes several issues with stamp, notably wrong treatment of non-terminal iso8601 formats like stamp("2013-01-01T00:00:00-06:00 KK") and broken vectorization.

It branches from issue-182 to avoid minor conflicts.