diff --git a/hslua.cabal b/hslua.cabal
--- a/hslua.cabal
+++ b/hslua.cabal
@@ -1,5 +1,5 @@
 Name:                   hslua
-Version:                0.3.10
+Version:                0.3.11
 Stability:              beta
 Cabal-version:          >= 1.8
 License:                MIT
diff --git a/src/Scripting/Lua.hs b/src/Scripting/Lua.hs
--- a/src/Scripting/Lua.hs
+++ b/src/Scripting/Lua.hs
@@ -5,9 +5,9 @@
 -- Module      : Scripting.Lua
 -- Copyright   : (c) Gracjan Polak 2007
 --
--- License     : BSD3-style
+-- License     : MIT
 --
--- Maintainer  : gracjanpolak@gmail.com
+-- Maintainer  : omeragacan@gmail.com
 -- Stability   : alpha
 -- Portability : portable, ffi
 --
@@ -163,6 +163,8 @@
     loadstring,
     newmetatable,
     argerror,
+    ref,
+    unref,
 
     -- * Haskell extensions
     StackValue(..),
@@ -366,9 +368,11 @@
 foreign import ccall "lauxlib.h luaL_newstate" c_luaL_newstate :: IO LuaState
 foreign import ccall "lauxlib.h luaL_newmetatable" c_luaL_newmetatable :: LuaState -> Ptr CChar -> IO CInt
 foreign import ccall "lauxlib.h luaL_argerror" c_luaL_argerror :: LuaState -> CInt -> Ptr CChar -> IO CInt
+foreign import ccall "lauxlib.h luaL_ref" c_luaL_ref :: LuaState -> CInt -> IO CInt
+foreign import ccall "lauxlib.h luaL_unref" c_luaL_unref :: LuaState -> CInt -> CInt -> IO ()
 
 foreign import ccall "ntrljmp.h lua_neutralize_longjmp" c_lua_neutralize_longjmp :: LuaState -> IO CInt
-foreign import ccall "ntrljmp.h &lua_neutralize_longjmp" c_lua_neutralize_longjmp_addr :: FunPtr (LuaState -> IO CInt) 
+foreign import ccall "ntrljmp.h &lua_neutralize_longjmp" c_lua_neutralize_longjmp_addr :: FunPtr (LuaState -> IO CInt)
 
 
 -- | See @lua_settop@ in Lua Reference Manual.
@@ -530,7 +534,7 @@
 
 
 
--- | See @lua_call@ and @lua_call@ in Lua Reference Manual. This is 
+-- | See @lua_call@ and @lua_call@ in Lua Reference Manual. This is
 -- a wrapper over @lua_pcall@, as @lua_call@ is unsafe in controlled environment
 -- like Haskell VM.
 call :: LuaState -> Int -> Int -> IO ()
@@ -792,7 +796,7 @@
 newmetatable :: LuaState -> String -> IO Int
 newmetatable l s = withCString s $ \s -> liftM fromIntegral (c_luaL_newmetatable l s)
 
--- | See @luaL_argerror@ in Lua Reference Manual. Contrary to the 
+-- | See @luaL_argerror@ in Lua Reference Manual. Contrary to the
 -- manual, Haskell function does return with value less than zero.
 argerror :: LuaState -> Int -> String -> IO CInt
 argerror l n msg = withCString msg $ \msg -> do
@@ -803,7 +807,13 @@
     -- here we should have error message string on top of the stack
     return (-1)
 
+-- | See @luaL_ref@ in Lua Reference Manual.
+ref :: LuaState -> Int -> IO Int
+ref l n = fmap fromIntegral $ c_luaL_ref l (fromIntegral n)
 
+-- | See @luaL_unref@ in Lua Reference Manual.
+unref :: LuaState -> Int -> Int -> IO ()
+unref l t ref = c_luaL_unref l (fromIntegral t) (fromIntegral ref)
 
 -- | A value that can be pushed and poped from the Lua stack.
 -- All instances are natural, except following:
diff --git a/src/Scripting/Lua/ConfigFile.hs b/src/Scripting/Lua/ConfigFile.hs
--- a/src/Scripting/Lua/ConfigFile.hs
+++ b/src/Scripting/Lua/ConfigFile.hs
@@ -4,9 +4,9 @@
 -- Module      : Scripting.Lua.ConfigFile
 -- Copyright   : (c) Benjamin Geer 2011, 2013
 --
--- License     : BSD3-style
+-- License     : MIT
 --
--- Maintainer  : benjamin.geer@gmail.com
+-- Maintainer  : omeragacan@gmail.com
 -- Stability   : alpha
 -- Portability : portable, ffi
 --