overhaul item matching, resolves #4
slight change to dupe test
improve performance by using cached lengths
bump (v0.5.3)
add failing tests
fix req.params=true bug and add tests
bump (v0.5.4)
Allow HTTP PATCH method
Merge pull request #6 from danmactough/djm/patch

Allow HTTP PATCH method
bump (v0.5.5)
ensure next(err) gets called with embedded middler
bump (v0.5.6)