Allow raising specific exceptions for rendering unauthorized/other responses
Fix erlang release number for travis.yml file
Change raising error to be easier and more readable
Merge pull request #196 from rcdilorenzo/elixir-0.13.2

Allow raising specific exceptions for rendering unauthorized/other responses
Add docs for the new raise and render behavior

See https://github.com/elixir-web/weber/pull/196
Merge pull request #197 from elixir-web/elixir-0.13.2

Merge elixir-0.13.2 into master
Merge pull request #198 from rcdilorenzo/raise_render_docs

Add docs for the new raise and render behavior
Add rendering of different action and/or controller

* See https://github.com/elixir-web/weber/issues/166
* ...and https://github.com/elixir-web/weber/issues/167