Use v2 of the API, get Bill#cosponsors method working
Make specs expect a Fixnum instead of a String for id attributes
Use valid VoteVoter ID in specs
Patch Person/Vote/VoteVoter specs and classes to work with v2 of the API
Patch Bill specs to work with v2 of the API
Patch Bill, Helper, and Vote classes to work with v2 of the API
Update README with examples that work with v2 of the API
Add MIT license to gemspec
Log changes in CHANGELOG, bump version number to 1.0.0