Further integrated the Pro extension.

git-svn-id: https://plugins.svn.wordpress.org/user-meta-manager/trunk@858009 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed a bug in the CSV export feature.

git-svn-id: https://plugins.svn.wordpress.org/user-meta-manager/trunk@858584 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed a bug in checkbox group validation.

git-svn-id: https://plugins.svn.wordpress.org/user-meta-manager/trunk@858775 b8457f37-d9ea-0310-8a92-e5e31aec5664
Improved ummquery shortcode to better handle serialized results.

git-svn-id: https://plugins.svn.wordpress.org/user-meta-manager/trunk@859501 b8457f37-d9ea-0310-8a92-e5e31aec5664