/**
  * Return settings by a key/value combination.
  *
  * @param string $key
  * @param string $value
  * @param array $options
  * @return array of Settings
  */
 static function getByKeyValue($key, $value, $options = array())
 {
     $settings = \Db\Sql\Settings::query()->where('key = :key:')->andWhere('value = :value:')->bind(array('key' => $key, 'value' => $value))->execute();
     return get($options, 'first') === TRUE ? $settings->getFirst() : $settings;
 }