Removed the extra LF at the end of a frame, it is NOT needed.

Author: rauls

lib/frame.js

@@ -80,7 +80,7 @@ Frame.prototype.as_string = function() {
     if(body)
         frame += body;
 
-    frame += '\x00\n';
+    frame += '\x00';
 
     return frame;
 };