fix two crashes

src/controllers/helpers.js

@@ -41,7 +41,7 @@ helpers.redirect = function(res, url) {
 	if (res.locals.isAPI) {
 		res.status(308).json(url);
 	} else {
-		res.redirect(nconf.get('relative_path') + url);
+		res.redirect(nconf.get('relative_path') + encodeURI(url));
 	}
 };
 

src/middleware/render.js

@@ -13,7 +13,7 @@ module.exports = function(middleware) {
 				req = this.req,
 				defaultFn = function(err, str){
 					if (err) {
-						return req.next(err);
+						return next(err);
 					}
 
 					self.send(str);