code: function traverseObject(obj, strict) {
    Object.keys(obj).forEach(function(key) {
      obj[key] = traverse(obj[key], strict);
    });
    return obj;
  }
docs: Object traverser helper function.
  
  @param {Object} obj - object to traverse
  @param {Boolean} strict - only convert strings with year, month, and date
  @return {Object}