Issue #47 - fix for wrong Content-Length setting in doRequest

lib/node.io/request.js

@@ -266,7 +266,7 @@ Job.prototype.doRequest = function (method, resource, body, headers, callback, p
         if (typeof body === 'object') {
             body = query.stringify(body);
         }
-        headers['Content-Length'] = body.length;
+        headers['Content-Length'] = Buffer.byteLength(body);
     }
 
     //Determine the port and add it to the host header