Sugar method from login direct from slidepay instance
Integration tests, still need credentials
Merge branch 'test/integration' of github.com:SlidePay/slidepay-nodejs-sdk into test/integration
Bind login to RestClient
Eliminate APIKey integration tests
Explicitly return token to fix edge cases w/ token resolution
Test passing and failing payments
Merge branch 'test/integration' into 0.1.x
Load config with nconf
Travis