added headers to swagger-doc responses to work cleanly with swagger-ui.

Default swagger-ui constantly gives "Can't access server" errors when the "Access-Control-Allow-Origin" is not set.
fix swagger var scope problem
Merge pull request #5 from jessefulton/fix-response-messages

fix swagger var scope problem
release 0.1.6
Singlequote
Merge pull request #6 from z0mt3c/pr/4

Pr/4