spec and implementation for authorization check endpoint 'http://developer.github.com/v3/oauth_authorizations/#check-an-authorization'
remove pry, add to public api
check that expected behavior (404) does not raise error
single line expectation
Support a new valid param value

The Github documentation specifies that allow to set `all` to state.

https://developer.github.com/v3/issues/#parameters
Merge pull request #174 from kmiyake/add_valid_issue_param_value

Support a new valid param value
Merge branch 'master' of git://github.com/jeffrwells/github into jeffrwells-master
Rename spec.
Fix authorization app check spec.
Change method docs and move up.
Merge branch 'jeffrwells-master'
Merge branch 'master' of github.com:peter-murach/github
Update travis.
Update docs and change syntax.
Add feature tests for deployments api.
Move arguments specs.
Change arguments parsing to stop modyfying global namespace.
Change api parameter.
Change to use new arguments parser.
Add feature test for branch mutation and close issue #154