Update to version 2.42.1

Some changes
Removed FutureAccesList code as it works only with UWP

ModernKeePassLib.UwpTest/KcpKeyFileTests.cs

@@ -0,0 +1,86 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using Windows.Storage;
+using Windows.Storage.AccessCache;
+using ModernKeePassLib.Keys;
+using ModernKeePassLib.Utility;
+using Xunit;
+
+namespace ModernKeePassLib.UwpTest
+{
+    public class KcpKeyFileTests
+    {
+        private const string TestCreateFile = "TestCreate.xml";
+        private const string TestKey = "0123456789";
+
+        private const string ExpectedFileStart =
+            "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
+            "<KeyFile>\r\n" +
+            "\t<Meta>\r\n" +
+            "\t\t<Version>1.00</Version>\r\n" +
+            "\t</Meta>\r\n" +
+            "\t<Key>\r\n" +
+            "\t\t<Data>";
+
+        private const string ExpectedFileEnd = "</Data>\r\n\t</Key>\r\n</KeyFile>";
+
+        [Fact]
+        public async Task TestConstruct()
+        {
+            var expectedKeyData = new byte[]
+            {
+                0x95, 0x94, 0xdc, 0xb9, 0x91, 0xc6, 0x65, 0xa0,
+                0x81, 0xf6, 0x6f, 0xca, 0x07, 0x1a, 0x30, 0xd1,
+                0x1d, 0x65, 0xcf, 0x8d, 0x9c, 0x60, 0xfb, 0xe6,
+                0x45, 0xfc, 0xc8, 0x92, 0xbd, 0xeb, 0xaf, 0xc3
+            };
+
+            var folder = await StorageFolder.GetFolderFromPathAsync(Path.GetTempPath());
+            var file = await folder.CreateFileAsync(TestCreateFile, CreationCollisionOption.ReplaceExisting);
+            var token = StorageApplicationPermissions.FutureAccessList.Add(file);
+            using (var fs = await file.OpenStreamForWriteAsync())
+            {
+                using (var sw = new StreamWriter(fs))
+                {
+                    sw.Write(ExpectedFileStart);
+                    sw.Write(TestKey);
+                    sw.Write(ExpectedFileEnd);
+                }
+            }
+
+            try
+            {
+                var keyFile = new KcpKeyFile(token);
+                var keyData = keyFile.KeyData.ReadData();
+                Assert.True(MemUtil.ArraysEqual(keyData, expectedKeyData));
+            }
+            finally
+            {
+                await file.DeleteAsync();
+            }
+        }
+
+        [Fact]
+        public async Task TestCreate()
+        {
+            var folder = await StorageFolder.GetFolderFromPathAsync(Path.GetTempPath());
+            var file = await folder.CreateFileAsync(TestCreateFile, CreationCollisionOption.ReplaceExisting);
+            var token = StorageApplicationPermissions.FutureAccessList.Add(file);
+            KcpKeyFile.Create(token, null);
+            try
+            {
+                var fileContents = await FileIO.ReadTextAsync(file);
+
+                Assert.Equal(185, fileContents.Length);
+                Assert.StartsWith(ExpectedFileStart, fileContents);
+                Assert.EndsWith(ExpectedFileEnd, fileContents);
+            }
+            finally
+            {
+                await file.DeleteAsync();
+            }
+        }
+    }
+}
+