mojombo/semver — pull request #84 by ericanderson (2013-03-25 21:23:32+00:00)
Title: Adds special identifiers

Logically and as seen in the wild, pre-release version generally have special meaning.

Examples:

* v1.0.0-alpha takes precedence over v1.0.0-feature-a.
* v1.0.0-rc.1 takes precedence over v1.0.0-testing-something
* v1.0.0-beta.1 takes precedence over v1.0.0-dev