A more thorough list of collection methods forwarded.
Removed silly version string in comment.
Updated to latest version of karma.
Switched to browserify / grunt build

Now bringing in `backbone-collection-proxy` to deal with the tricky
parts of proxy-ing the filtered collection through the returned
object.
npm should now look to install index.js

bower should still look for backbone-filtered-collection.js which is
built as a UMD module by grunt.
0.2.0
bump versions for bower
Update changelog