only show physics stats for singleplayer if debug set to true

init.lua

@@ -1,6 +1,6 @@
 
 -- global
-pova = {}
+pova = {debug = false}
 
 -- local
 local pova_list = {}
@@ -117,7 +117,7 @@ pova.do_override = function(player)
 	end
 
 	-- for testing only
-	if name == "singleplayer" then
+	if pova.debug and name == "singleplayer" then
 		print ("speed: " .. speed .. " / jump: " .. jump .. " / gravity: " .. gravity)
 	end