Squashed commit of the following:

commit a389b48503033c810d74e943d71e947631c02dc4
Author: Jesper Thøgersen <jesper@thog.no>
Date:   Mon Nov 18 21:25:27 2013 +0100

    default values

commit c902cd45b0d47c240d5ab0ce3fe6bad79359b2d0
Author: Jesper Thøgersen <jesper@thog.no>
Date:   Mon Nov 18 21:24:58 2013 +0100

    Single quotes

commit 1cb5f60a9c1adec270bc81bf97c2513a861d08a8
Author: Jesper Thøgersen <jesper@thog.no>
Date:   Mon Nov 18 21:15:43 2013 +0100

    Structure