DO NOT USE BUFFER, use byteLength instead

Author: neunhoef

src/connection.js

@@ -67,10 +67,7 @@ extend(Connection.prototype, {
       } else {
         body = String(body);
       }
-      if (typeof body === "string") {
-	body = new Buffer(body, "utf-8");
-      }
-      headers['content-length'] = body.length;
+      headers['content-length'] = Buffer.byteLength(body, "utf-8");
     }
 
     this._request({