Refining DJ and Collection processing.

git-svn-id: https://plugins.svn.wordpress.org/8tracks-shortcode/trunk@893361 b8457f37-d9ea-0310-8a92-e5e31aec5664
Finishing touches.

git-svn-id: https://plugins.svn.wordpress.org/8tracks-shortcode/trunk@893362 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updating due to recent changes in 1.11

git-svn-id: https://plugins.svn.wordpress.org/8tracks-shortcode/trunk@893363 b8457f37-d9ea-0310-8a92-e5e31aec5664