Bring dependencies up to date and fix tests accordingly. Closes #93.
Merge pull request #114 from repotag/93-update-dependencies

Bring dependencies up to date and fix tests accordingly. Closes #93.
Added grit-adapter as dependency; changed version number for new release.
Merge pull request #116 from repotag/update_gemspec

Added grit-adapter as dependency; changed version number for new release.