Bug fix

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7-to-database-extension/trunk@939214 b8457f37-d9ea-0310-8a92-e5e31aec5664
Helper class rename

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7-to-database-extension/trunk@939215 b8457f37-d9ea-0310-8a92-e5e31aec5664