Lua tutorials down or not working?

A basic implementation with "hello world"

Strict
Import axe.lua

Type TLua
Global luaState:Byte Ptr
Method New() 
	luaState = luaL_newstate()
	luaL_openlibs(luaState)
EndMethod
Method doScript(source:String) 
	luaL_loadbuffer(luaState, source, source.length, source[0..10])
	Local b:Int = lua_pcall(luaState, 0, 0, 0)
	If b
		'' bad scripts generate errors
		Print("Error - " + lua_tostring(luaState, - 1) )
		lua_pop(luaState, 1)
	EndIf
EndMethod
''table sets a namespace for the function or value (namespace.function)
Method setFunction(name:String , fun(p:Byte Ptr) , table:String = "") 
	If table.length
		lua_getglobal(luaState, table)
		lua_pushstring(luaState, name)
		lua_pushcfunction(luaState, fun)
		lua_settable(luaState, - 3)	
	Else
		lua_register(luaState, name, fun)
	EndIf
EndMethod
Method setValue(key:String , value:Float , table:String = "") 
	If table.length
		lua_getglobal(luaState, table)
		lua_pushstring(luaState, key)
		lua_pushnumber(luaState, value)
		lua_settable(luaState, - 3)	
	Else
		lua_pushstring(luaState, key)
		lua_pushnumber(luaState, value)
		lua_settable(luaState , LUA_GLOBALSINDEX) 
	EndIf
EndMethod
EndType

'' lua function always takes 1 argument - a pointer to the lua state
Function _echo(p: Byte Ptr) 
	Local msg:String = lua_tostring(p, 1)
	If String(msg)
		Print(msg)
	Else
		Print(lua_tonumber(p, 1) )
	EndIf
EndFunction


Global Lua:TLua = New TLua
Lua.setFunction("echo", _echo) 
Lua.setValue("n", 10) 
Lua.doScript("echo('You are using '..tostring(_VERSION))") 
Lua.doScript("for i=0,n do echo(string.sub('hello world',0,i+1)) end")