README and minor changes

Author: c-mateo

Project/Golfscript.csproj

@@ -1,33 +1,20 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <Compile Remove="src\OperationRunner.cs" />
-    <Compile Remove="src\Tokenizer\NormalTokenizer.cs" />
-    <Compile Remove="src\Tokenizer\Tokenizer.cs" />
-    <Compile Remove="Tests.cs" />
-  </ItemGroup>
+	<RollForward>Major</RollForward>
+	<Platforms>AnyCPU</Platforms>
 
-  <ItemGroup>
-    <None Include="src\OperationRunner.cs" />
-    <None Include="src\Tokenizer\NormalTokenizer.cs" />
-    <None Include="src\Tokenizer\Tokenizer.cs" />
-  </ItemGroup>
+	<PlatformTarget>AnyCPU</PlatformTarget>
+	<PublishReadyToRun>true</PublishReadyToRun>
+	<PublishSingleFile>true</PublishSingleFile>
 
-  <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.13.2" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <None Update="test.txt">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
-  </ItemGroup>
+	<AssemblyVersion>0.9.0</AssemblyVersion>
+	<FileVersion>0.9.0</FileVersion>
+	<Version>0.9.0</Version>
+	<NeutralLanguage>en</NeutralLanguage>
+  </PropertyGroup>
 
 </Project>

Project/README.md

@@ -0,0 +1 @@
+ 

Project/src/Extensions.cs

@@ -1,4 +1,6 @@
-using System.Text;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
 
 namespace Golfscript
 {

Project/src/Golfscript.cs

@@ -1,4 +1,7 @@
-namespace Golfscript
+using System;
+using System.Collections.Generic;
+
+namespace Golfscript
 {
     public class Golfscript
     {

Project/src/Items/ArrayItem.cs

@@ -1,4 +1,7 @@
-using System.Text;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
 
 namespace Golfscript
 {
@@ -16,7 +19,7 @@ public string StringValue
         {
             get
             {
-                StringBuilder sb = new();
+                var sb = new StringBuilder();
                 foreach (var item in _value)
                 {
                     if (item is IntegerItem integerItem)

Project/src/Items/BlockItem.cs

@@ -1,4 +1,6 @@
-namespace Golfscript
+using System;
+
+namespace Golfscript
 {
     public class BlockItem : StringItem
     {

Project/src/Items/IntegerItem.cs

@@ -1,4 +1,5 @@
-using System.Numerics;
+using System;
+using System.Numerics;
 
 namespace Golfscript
 {

Project/src/Items/Item.cs

@@ -1,4 +1,6 @@
-namespace Golfscript
+using System;
+
+namespace Golfscript
 {
     public abstract class Item : IEquatable<Item>
     {

Project/src/Items/StringItem.cs

@@ -1,4 +1,6 @@
-using System.Text;
+using System;
+using System.Collections.Generic;
+using System.Text;
 
 namespace Golfscript
 {
@@ -47,7 +49,7 @@ public override Item Coerce(ItemType type)
 
         public override string StackString()
         {
-            StringBuilder sb = new();
+            var sb = new StringBuilder();
             foreach (var ch in _value)
             {
                 if (Escaped.TryGetValue(ch, out string escaped))