Hummingbird not saving settings

Hi Guys,

I have installed Hummingbird about 3-4 days ago and the setting for caching and gzip do not save. Every-time I go back it says "Activate compression" etc.

Also my page insights are not moving even with Minification installed.

https://developers.google.com/speed/pagespeed/insights/?url=www.legheads.com&tab=mobile

thanks

Todd