replaced option field to simply choices
removed link content option
handle 0 counts
return all services for admin previews
show all items on preview
formatting
properly format numbers on output
added ID to themes switch
added id to counts switch
made the selector more specific
corrected number of variables to expect in add_filter call
edit validation, removed old option and added new one
updated javascript for managing option previews
use $wpdb->prepare
improved formatting and comments