Disable filetype option

[NewsGuyTor]

Thanks for this extension, I've been using it for years!

However, I've recently changed to MKV Quicklook to play MKV files in QuickLook, and this conflicts with it. I had to disable QuickLook Video since it broke MKV Quicklook. But because

It would be awesome if I could disable MKV support in QLVideo so I could use both extensions at the same time!