lib/utils.js
function clone(o){
  var c = {};
  var h = Object.keys(o);
  for(var i = 0, co = h.length; i < co; i++){
    c[h[i]] = o[h[i]];
  }
  return c;
}
function clone(o){
  var c = {};
  var h = Object.keys(o);
  for(var i = 0, co = h.length; i < co; i++){
    c[h[i]] = o[h[i]];
  }
  return c;
}
Function for creating a clone of an object

@param o {Object}  object to clone
@return {Object}