google/traceur-compiler — pull request #718 by johnjbarton (2014-01-25 17:46:59+00:00)
Title: Implement System.semverMap() and test; set package map.

For example, traceur@0.0.13 is aliased by traceur@, traceur@0 and traceur@0.0.
Change the intermediate build referrer to a valid semver.