Library refactor, divided model by type

Added read/update metadata to the cms client

Step.Core/ThreadsFunctions.cs

@@ -1,4 +1,5 @@
-using Step.Core;
+using CMS_CORE_Library.Models;
+using Step.Core;
 using Step.Model.DTOModels;
 using Step.Model.DTOModels.ToolModels;
 using Step.NC;
@@ -6,7 +7,6 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Threading;
 using TeamDev.SDK.MVVM;
-using static CMS_CORE_Library.DataStructures;
 using static Step.Model.Constants;
 using static Step.Utils.ExceptionManager;