add missing file, updated privs in readme

README.md

@@ -13,6 +13,10 @@ The current mapblock-stats can be viewed with `/mesecons_hud on`
 
 * none yet
 
+## Privs
+
+* **mesecons_debug** Allows execution of mesecon debug chatcommands
+
 ## Commands
 
 All of these commands require the `mesecons_debug` privilege.

whitelist.lua

@@ -0,0 +1,21 @@
+local filename = minetest.get_worldpath() .. "/mesecons_debug_whiltelist"
+
+function mesecons_debug.save_whitelist()
+  local file = io.open(filename,"w")
+	local data = minetest.serialize(mesecons_debug.whitelist)
+	if file and file:write(data) and file:close() then
+		return
+	else
+		minetest.log("error","mesecons_debug: save failed")
+		return
+	end
+end
+
+function mesecons_debug.load_whitelist()
+  local file = io.open(filename, "r")
+
+  if file then
+    local data = file:read("*a")
+    mesecons_debug.whitelist = minetest.deserialize(data) or {}
+  end
+end