v2.0.0

This is a very tiny breaking major version bump. Almost everything should be backwards compatible, except for the noted behavior change below.

Breaking changes:

• The apiRequest, get, post, put, patch, and delete methods no longer return a Promise is a callback if given.

Merged pull requests:

• Switch to container based travis builds #59 (vernak2539)
• Optimization/http method registration simplification #60 (vernak2539)
• True promise OR callback refactor. #62 (vernak2539)
• Updates to 401 Handling #64 (nathan-boyd)

Full Changelog