Update devel-db-update.php

This update includes the session table changes and user table changes for the new session class. Unfortantly these changes have to be applied manually since this script requires the user to be logged in to use it. and they obviously cannot be logged in until the table changes have happened

public_html/admin/install/devel-db-update.php

@@ -113,7 +113,16 @@ function update_DatabaseFor221()
          `type`,
          `subtype`,
          `id`);
-    ";    
+    ";
+
+    // Modify `sessions` table
+    $_SQL[] = "DELETE FROM {$_TABLES['sessions']}";
+    $_SQL[] = "ALTER TABLE {$_TABLES['sessions']} MODIFY `sess_id` VARCHAR(250) NOT NULL default ''";
+    $_SQL[] = "ALTER TABLE {$_TABLES['sessions']} DROP COLUMN `md5_sess_id`";
+    $_SQL[] = "ALTER TABLE {$_TABLES['sessions']} DROP COLUMN `topic`";
+
+    // Add `autologin_key` column to `users' table
+    $_SQL[] = "ALTER TABLE {$_TABLES['users']} ADD `autologin_key` VARCHAR(250) NOT NULL DEFAULT '' AFTER `twofactorauth_secret`";    
 
     // ***************************************     
     // Core Plugin Updates Here (including version update)