Fixed a bug in the LinkChecker.
Fixed a bug in the LinkChecker.

Cache was stored as an object, while checked as an URL.

pajlada/tyggbot,0rmi/tyggbot,pajlada/pajbot,pajlada/pajbot,pajlada/tyggbot,gigglearrows/anniesbot,pajlada/tyggbot,pajlada/pajbot,gigglearrows/anniesbot,pajlada/pajbot,gigglearrows/anniesbot,pajlada/tyggbot