V2 SDK (#10)

* Switch to base url

* Update to v3 api

* Use JSON payloads

* Adjust ruby versions

* Disable arm test

* Refactor proxy

* Implement proxy spec

* Add changelog

* Add removed section

* Adjust proxy spec

* Disable ruby 2.0

* Adjust proxy

* Adjust changelog

* Update examples

* Bump version

* Adjust version

* Add blank lines

* Adjust readme

* Update readme

* Add deprecations

* Add deprecations

Version 1.1.2

Version 1.1.1

Version 1.1.0

Version 1.0.7

Version 1.0.6

Version 1.0.5

Version 1.0.4

Version 1.0.3

Version 1.0.2