Fix issues with new library versions

Author: mnadareski

Headerer/Extract.cs

@@ -43,7 +43,7 @@ public static bool DetectTransformStore(string file, string? outDir, bool nostor
                 int startOffset = int.Parse(rule.StartOffset ?? "0");
                 byte[] hbin = new byte[startOffset];
                 int bytes = fs.Read(hbin, 0, startOffset);
-                hstr = ByteArrayExtensions.ByteArrayToString(hbin)!;
+                hstr = hbin.ToHexString()!;
             }
             catch
             {

Headerer/Program.cs

@@ -9,7 +9,7 @@ public class Program
         public static void Main(string[] args)
         {
             // Validate the arguments
-            if (args == null || args.Length == 0)
+            if (args.Length == 0)
             {
                 Options.DisplayHelp("One input file path required");
                 return;

Headerer/Restore.cs

@@ -36,7 +36,7 @@ public static bool RestoreHeader(string file, string? outDir, bool debug = false
             {
                 string outputFile = (string.IsNullOrWhiteSpace(outDir) ? $"{Path.GetFullPath(file)}.new" : Path.Combine(outDir, Path.GetFileName(file))) + i;
                 Console.WriteLine($"Creating reheadered file: {outputFile}");
-                AppendBytes(file, outputFile, ByteArrayExtensions.StringToByteArray(headers[i]), null);
+                AppendBytes(file, outputFile, headers[i].FromHexString(), null);
                 Console.WriteLine("Reheadered file created!");
             }