Johnny91 yup, I even made a new config file just in case with everything //
I think @Citr's point was that you should REMOVE the //, because this means it's commented out, and not applying. In the default config.php file, everything is commented out, because you only un-comment options you want to change from defaults.
//'cache' => true, // this is commented out, even if you set it to false
To apply your setting, remove the //:
'cache' => false, // this will be an active setting
Johnny91 Is there really no way to stop the images getting catched?
What's the point of disabling cache anyway? It means your gallery will be slow, because the server will need to resize all images, for all visitors each time they visit.