Increase pointing range back to 4

mods/ITEMS/mcl_tools/init.lua

@@ -35,7 +35,9 @@ minetest.register_item(":", {
 	type = "none",
 	wield_image = "wieldhand.png",
 	wield_scale = {x=1,y=1,z=2.5},
-	range = 3.975,
+	-- According to Minecraft Wiki, the exact range is 3.975.
+	-- Minetest seems to only support whole numbers, so we use 4.
+	range = 4,
 	tool_capabilities = {
 		full_punch_interval = 0.25,
 		max_drop_level = 0,