Incrementing version, fixing typo

git-svn-id: https://plugins.svn.wordpress.org/thumbnail-field/trunk@920147 b8457f37-d9ea-0310-8a92-e5e31aec5664
Argh SO MANY TYPOS

git-svn-id: https://plugins.svn.wordpress.org/thumbnail-field/trunk@920150 b8457f37-d9ea-0310-8a92-e5e31aec5664