* Changed: Using WP_Query instead of get_posts for bulk export
* Changed: Moved export function into common space for CRON and scheduled exports
* Added: Toggle visibility of each export types fields within Export Options

git-svn-id: https://plugins.svn.wordpress.org/wp-e-commerce-exporter/trunk@912497 b8457f37-d9ea-0310-8a92-e5e31aec5664