Change phone to yield NANP valid phones

http://en.wikipedia.org/wiki/North_American_Numbering_Plan
Added tests for NANP valid phones

Also fixed some issues with existing phone tests
Fixing range on longitude test
Merge branch 'hotfix/update-contributors'
Merge branch 'develop' of https://github.com/mklaber/chancejs into develop
Merge nanp/develop

chance.min.js needs to be updated