pass 'extensions' key down to node-resolve call
Add support for resolving with package metadata and improve legacy browserify field support.
Merge pull request #25 from andreypopp/master

Pass 'extensions' key down to node-resolve call
Merge pull request #26 from jaredhanson/resolve-with-pkg-metadata

Resolving with package metadata and improve legacy browserify field check.
1.1.0
fix module -> file shim lookup
1.1.1