unify headers and body processing for client response and server request

src/middleware/cors.rs

@@ -55,6 +55,7 @@ use http::header::{self, HeaderName, HeaderValue};
 
 use error::{Result, ResponseError};
 use resource::Resource;
+use httpmessage::HttpMessage;
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
 use httpcodes::{HTTPOk, HTTPBadRequest};

src/middleware/logger.rs

@@ -8,6 +8,7 @@ use time;
 use regex::Regex;
 
 use error::Result;
+use httpmessage::HttpMessage;
 use httprequest::HttpRequest;
 use httpresponse::HttpResponse;
 use middleware::{Middleware, Started, Finished};