diff --git a/colddb.lua b/colddb.lua
index 29f40df..d30be21 100644
--- a/colddb.lua
+++ b/colddb.lua
@@ -10,18 +10,48 @@ function colddb.Colddb(dir)
 	local directory = dir
 	local mem_pool = {}
 	local mem_pool_del = {}
-	local indexes_pool = {}
-	local iterate_queue = {}
 	local add_to_mem_pool = true
 	local async = extended_api.Async()
-	local path_count = {}
 	
 	async.priority(150, 250)
 	
 	-- make tables weak so the garbage-collector will remove unused data
 	setmetatable(mem_pool, {__mode = "kv"})
 	setmetatable(mem_pool_del, {__mode = "kv"})
-	setmetatable(indexes_pool, {__mode = "kv"})
+	
+	self.get_directory = function()
+		return directory
+	end
+	
+	self.set_directory = function(new_directory)
+		directory = new_directory
+		if not minetest.mkdir(directory) then
+			error(string.format("%s is not a directory.", dir))
+		end
+	end
+	
+	self.get_memory_pool = function()
+		return mem_pool
+	end
+	
+	self.set_memory_pool = function(pool)
+		mem_pool = pool
+	end
+	
+	self.get_async = function()
+		return async
+	end
+	
+	self.set_async = function(new_async)
+		async = new_async
+	end
+	
+	self.add_to_memory_pool = function(value)
+		if value then
+			add_to_mem_pool = value
+		end
+		return add_to_mem_pool
+	end
 	
 	local function file_exists(name)
 		local f = io.open(string.format("%s%s.cold", directory, name), "r")