code: function parseCollection (type, data, relations, options) {
    var result = []
  
    _.each(data, function (value) {
      result.push(parseResource(type, value, relations, options))
    })
  
    return result
  }
docs: Parses a collection of resources
  @private
  @memberOf {Serializer}
  @param {String} type
  @param {Object} data
  @param {Object} relations
  @param {Object} options
  @return {Array}