/**
  * Returns the SilverCart minor version.
  *
  * @return string
  *
  * @author Sebastian Diel <*****@*****.**>
  * @since 24.01.2013
  */
 public static function SilvercartMinorVersion()
 {
     if (is_null(self::$silvercartMinorVersion)) {
         $defaults = Config::inst()->get('SilvercartSiteConfig', 'defaults');
         self::$silvercartMinorVersion = $defaults['SilvercartMinorVersion'];
     }
     return self::$silvercartMinorVersion;
 }