jbe@291: --[[--
jbe@291: request.allow_caching()
jbe@291: 
jbe@291: Includes a "Cache-Control" header in the response that marks the content as cachable.
jbe@291: 
jbe@291: --]]--
jbe@291: 
jbe@291: function request.allow_caching()
jbe@291:   request.configure(function()
jbe@291:     request._cache = true
jbe@291:   end)
jbe@291: end