SyncTechTree

        public void LoadData(ResearchManager data)
        {
            _zoneType = data._zoneType;
            Points = data.Points;
            BonusMultiplier = data.BonusMultiplier;
            Tree = SyncTree(data.Tree);
        }

        private List<ResearchItem> SyncTree(List<ResearchItem> savedTree)
        { // adds in research items not present in older save formats
            bool foundIt = false;
            foreach (var item in _refList)
            {
                Type t = item.GetType();
                foreach (var saved in savedTree)
                {
                    if (t == saved.GetType())
                    {
                        foundIt = true;
                        break;
                    }
                }
                if (!foundIt)
                {
                    ResearchItem tech = item;
                    savedTree.Add(tech);
                }
                foundIt = false;
            }
            return savedTree;
        }