Fix fatal error with calling wrong class name.

git-svn-id: https://plugins.svn.wordpress.org/envira-gallery-lite/trunk@877282 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version bump.

git-svn-id: https://plugins.svn.wordpress.org/envira-gallery-lite/trunk@877284 b8457f37-d9ea-0310-8a92-e5e31aec5664