Squashed commit of the following:

commit b1d2209fabdcafeade340f5b54da90e7f4c4ced4
Author: vladikoff <vlad.filippov@gmail.com>
Date:   Mon Feb 24 16:47:57 2014 -0500

    Adds parseOnly test, bump to 0.5.1

commit 261dd54371842264bc8d6835208511c7bad99920
Author: Marco Otte-Witte <marco.otte-witte@simplabs.com>
Date:   Mon Feb 24 22:19:19 2014 +0100

    always call done()

Closes gh-21.