still working on porting to lua 5.2

luprex/core/cpp/luaconsole.cpp

@@ -9,7 +9,7 @@ static bool is_single_letter(const std::string &s) {
 }
 
 LuaConsole::LuaConsole() {
-    lua_state_ = lua_open();
+    lua_state_ = luaL_newstate();
     clear();
 }