fixed a missing parenthesis, added baseline non encrypted tables from tadb, added function for loading tables from file without kv or encryption

scripts/vscripts/util.lua

@@ -422,6 +422,12 @@ end
         return table.fromstring(string.decode(string.loadkvfile(path), SERVER_KEY))
     end
 
+    -- Should read a lua table string from a file and return the table again, we'll see when it's tested
+    function table.fromfile(path)
+        local file = io.open(path, "r")
+        return table.fromstring(file:read("a"))
+    end
+
     -- 获取表中值元素的长度，不计nil 
     function table.count(t) 
         if type(t) ~= "table" then