exercism/xruby — pull request #22 by ReneB (2014-07-04 12:24:08+00:00)
Title: [Gigasecond] Replace constructor by factory method for more expressiveness

As you suggested (http://exercism.io/submissions/f9bce43604cfd5b4685088fb), here's the PR for using a factory method instead of a constructor in the Gigasecond test