Add internal helper

includes breaking api changes
Add built in rules
Add not versions of underscore util functions
Update package.js

Bump version and add git url, update naming to meteor 0.9.0 conventions.
Add versions to package.js
Add oneOf rule
Fix bug in maxLength rule
Update the oneOf rule to handle objects with ids
Merge pull request #1 from cwohlman/devel

Pull v 0.1.0 and fixes