code: function simpleStringify (object) {
  	var simpleObject = {};
  	for (var prop in object) {
  		if (!object.hasOwnProperty(prop) ||
  			typeof(object[prop]) === 'function') {
  			continue;
  		}
  		simpleObject[prop] = object[prop];
  	}
  	return JSON.stringify(simpleObject, censor(simpleObject),2);
  }
docs: Inspired by https://stackoverflow.com/questions/4816099/chrome-sendrequest-error-typeerror-converting-circular-structure-to-json/4816258