Datasets now serialize/save and deserialize/load properly. Created a test in the CLI project

SzCli/Program.cs

@@ -1,9 +1,26 @@
+using System;
+using SzLib;
+
 namespace SzCli;
 
 public class Program
 {
     public static void Main(string[] args)
     {
+        var parser = new SzParser(new LocalFileManager());
+
+        Console.WriteLine("Creating test dataset...");
+        var dataset = Test.CreateTestDataset();
+        Console.WriteLine($"Successfully created test dataset with id {dataset.Id}");
         
+        Console.WriteLine("Attempting to save dataset...");
+        var saved = parser.SaveDataset(dataset);
+        Console.WriteLine($"Successfully saved dataset? {saved}");
+        
+        Console.WriteLine("Attempting to load dataset...");
+        var loadedDataset = parser.LoadDataset(dataset.Id);
+        Console.WriteLine($"Successfully loaded dataset? {loadedDataset != null}. Id is {loadedDataset.Id}");
+        
+        Console.WriteLine(loadedDataset.DataObjects["test"].Fields["value"].Value);
     }
 }