/**
  * Reset the configuration to default settings
  *
  * @access public
  * @static
  */
 public static function reset()
 {
     self::$_cache = array('environment' => 'sandbox', 'business_name' => '', 'cancel_url' => '', 'return_url' => '', 'notify_url' => '', 'currency' => 'USD', 'username' => '', 'password' => '', 'signature' => '', 'incontext_url' => 'yes', 'mobile_url' => 'no', 'display_address' => 'no', 'locale_code' => 'US');
 }
 /**
  * Reset the configuration to default settings
  *
  * @access public
  * @static
  */
 public static function reset()
 {
     self::$_cache = array('environment' => 'sandbox', 'business_name' => '', 'cancel_url' => '', 'return_url' => '', 'notify_url' => '', 'currency' => 'USD', 'username' => '', 'password' => '', 'signature' => '');
 }