ChicagoBoss/ChicagoBoss — pull request #387 by mihawk (2014-01-03 05:18:46+00:00)
Title: fix render an image from an action ex: captcha

use case ex: captcha
```erlang
catpcha('GET', [], _ReqCtx) ->
BinImg = get_captcha(SessionId),
{output, [BinImg], [{"Content-Type","image/png"}]}.
```