code: function promiseValidateAdd() {
    console.error('Skemer Promise functions are deprecated - they will be '
        + 'removed from the next version as they are redundant');
    var args = arguments;
    return new Promise(function(resolve, reject) {
      try {
        resolve(validateAdd.apply(this, args));
      } catch (err) {
        reject(err);
      }
    });
  }
docs: @private @deprecated
  Get a promise to validata and add new data to existing validated data based
  on the given schema. NOTE: Existing data WILL NOT be validated
  
  @param {Object} options An object containing the validation
  [`options`]{@link #options}, including the [`schema`]{@link #schema}
  @param {*} data Data to validate and return. If no data is given,
  data containing any default values will be returned. If newData
  is given, newData will be validated and merged into data.
  @param {...*} newData Data to validate and merge into `data`
  
  @returns {Promise} A Promise that will resolve to the validated and
  merged data