--- a/util/datamanager.lua	Sun Nov 20 11:51:13 2016 +0100
+++ b/util/datamanager.lua	Sun Nov 20 12:03:24 2016 +0100
@@ -50,7 +50,7 @@
 ---- utils -----
 local encode, decode;
 do
-	local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end });
+	local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber(k, 16)); return t[k]; end });
 
 	decode = function (s)
 		return s and (s:gsub("+", " "):gsub("%%([a-fA-F0-9][a-fA-F0-9])", urlcodes));