1.0.0
  - Initial versioning of the API
  - Added tests pointing at integration.newrelic.com
1.1.0
  - Remove support for license key authentication; using api_key
1.1.1
  - Fixes for Ruby 1.9.1 support
1.1.2
  - Update deployments to support an app id # as well as app name
  - Updated documentation
1.2.0
  - Added support for metric names and metric data API
1.2.1
  - Updated for new product names
  - Minor bugs and compatibility fixes
1.2.2
  - Add support for querying multiple applications in the data api
  - Support for proxies (thanks to Wei Feng)
1.2.3
  - Fix XML compatibility