Fix support for both UTF8 and UTF16

Dont cast to char and append directly, but instead use `Encoding` class to convert the data in the buffer.
Also set Console output to UTF8 mode for cases where it outputs UTF8 but isnt set yet

Author: Grub4K

src/ValveKV/KVParser.cs

@@ -77,28 +77,21 @@ public static KVObject Parse(BinaryReader reader)
             }
         }
 
-        // TODO: Correct this to produce correct wide string results
         private static string ReadString(BinaryReader reader, byte width=1)
         {
-            StringBuilder builder = new StringBuilder();
-            byte[] current = new byte[width];
+            var buffer = new List<byte>();
+            byte[] current;
 
             while (true)
             {
-                for (int i = 0; i < width ; ++i)
-                {
-                    current[i] = reader.ReadByte();
-                }
+                current = reader.ReadBytes(width);
                 if (current.All(val => val == 0))
-                {
                     break;
-                }
                 foreach (var c in current)
-                {
-                    builder.Append((char)c);
-                }
+                    buffer.Add(c);
             }
-            return builder.ToString();
+            return (width == 1 ? Encoding.UTF8 : Encoding.Unicode)
+                .GetString(buffer.ToArray());
         }
     }
 }

src/cli/AssemblyInfo.cs

@@ -6,6 +6,6 @@
 [assembly: AssemblyDescription("Parses and displays info about Steam .vdf files")]
 [assembly: AssemblyCopyright("© Grub4K 2021")]
 
-[assembly: AssemblyVersion("2.2")]
-[assembly: AssemblyInformationalVersion("2.2")]
-[assembly: AssemblyFileVersion("2.2.0.0")]
+[assembly: AssemblyVersion("2.3")]
+[assembly: AssemblyInformationalVersion("2.3")]
+[assembly: AssemblyFileVersion("2.3.2.0")]

src/cli/Program.cs

@@ -15,6 +15,7 @@ static partial class Program
     {
         static int Main(string[] args)
         {
+            Console.OutputEncoding = Encoding.UTF8;
             switch (args.ElementAtOrDefault(0)){
                 case "-v":
                 case "--version":