cache control for static files responses:
- added cacheControl to base_config to allow to set http expiration times for static files
- response.sendFile() now sends Last-Modified, Expires and Cache-Control: max-age=xxx in the http Headers

Conflicts:
	lib/response/index.js
Fix busted-assed 404s
Version 0.9.3
Close #404, Change default for Main.index to wrap params like generated
scaffolding.
nitpick - unused var

toJson
Merge pull request #405 from doapp-ryanp/patch-1

nitpick - unused var
Merge branch 'v0.9'