Specify that the repository url in push events should not be surrounded by ``'`` as per #11.
Add a ``^`` into the diff URL to trigger a bug from #11, and specify this character should be URL encoded.
Implement the specification in a very narrow manner to close #11.
Bump the version for another interactive production test release.
Rebased 11.linkifiable-urls which closes #11; that was the last remaining ticket, so bump version to 0.2.