That's simply me messing around with functions.php, no we're not getting hacked or anything so no worries. If you see those in the future never panic
For those nosy users, I've added Google SEO modification to the site. It meant Functions.php changes and boring stuff like that, but you will notice the forum URLS look a lot different now. This is because GOOGLE will notice us easier. Also 404 errors etc all been added.