Update source.rb documentation comments

commit ecdda4e0510d8d1ff574d6cf1e9941789e84a037
Author: Gaute Hope <eg@gaute.vetsj.com>
Date:   Mon Jul 29 09:27:24 2013 +0200

    refactor

commit 93b362add9f67a3eb6efb4e5b0bfcacb9288af4a
Author: Gaute Hope <eg@gaute.vetsj.com>
Date:   Mon Jul 29 09:22:52 2013 +0200

    Update source.rb documentation comments