/**
  * Main Save_Between_Pages_for_GravityForms Instance
  *
  * Ensures only one instance of Save_Between_Pages_for_GravityForms is loaded or can be loaded.
  *
  * @since 1.0.0
  * @static
  * @see Save_Between_Pages_for_GravityForms()
  * @return Main Save_Between_Pages_for_GravityForms instance
  */
 public static function instance($file = '', $version = '1.0.0')
 {
     if (is_null(self::$_instance)) {
         self::$_instance = new self($file, $version);
     }
     return self::$_instance;
 }
/**
 * Returns the main instance of Save_Between_Pages_for_GravityForms to prevent the need to use globals.
 *
 * @since  1.0.0
 * @return object Save_Between_Pages_for_GravityForms
 */
function Save_Between_Pages_for_GravityForms()
{
    $instance = Save_Between_Pages_for_GravityForms::instance(__FILE__, '0.1.0');
    return $instance;
}