Refactoring and typo fixes.
Port version 7.x-1.5 to Drupal 6.
Issue #1779990 fix bug with multiple captcha on one page. Some javascript modifications for using module with other modules which load forms via ajax.
Fix issue #1736856 with incorrect path to image for dev version of captcha. Fix issue #1748524 - Fatal error using module panels.
Issue #1740024: Fix problems with cache.
At this point, the Drupal 7 version of the Image CAPTCHA Refresh module has stable functional.
At this point, the Drupal 7 version of the Image CAPTCHA Refresh module is under heavy upgrade/development.