Sort key count

lib/vimentor/cli.rb

@@ -44,7 +44,7 @@ def stat(date_str = Date.today.to_s)
       say "Invoke: #{s.invoke_count} times"
       say "Total key count: #{s.total_key_count}"
       say "Key count hash:"
-      say s.key_count
+      say s.key_count.sort_by{|k, v| v}.reverse
     end
 
   end