Replaced custom on-disk cache with Till cache server integration.
Fixed link styles to increase clickable area.
Rewrote preemptive cache logic to use a constant-rate queue.
Fixed CSS to allow larger click area for revisions.
Added scripts to fetch and pre-cache top articles.
Added article search suggestions.
Added cache queue limit to prevent possible DoS.
Hid suggestions panel if no suggestions are included.
Added cronjobs.