Added id to spells so i can export them to lua correctly. Also made the lua_classes less messy by having them all derive from Lua_Ptr instead of reimplementing functionality

zone/lua_item.cpp

@@ -3,12 +3,4 @@
 #include "masterentity.h"
 #include "lua_item.h"
 
-bool Lua_Item::Null() {
-	return d_ == nullptr;
-}
-
-bool Lua_Item::Valid() {
-	return d_ != nullptr;
-}
-
 #endif