Releases/4.1 (#128)

* Fixing Guid constant translation, re: #119

* Fixing various string concat issues, re: #120, #123

* Including cast parentheses in cast index access subject, re: #122

* Rendering string.Concat(Object) calls as method calls instead of concatenation, re: #116

* Fixing custom method conversion unary translation, re: #117

* Ading configuration option to show string.Concat() calls as-is

* Fixing solution-item links

* Updating to v4.1

* Updating NUnit test runner version

* v4.1 NuGet package

* Adding release notes

* Updating release notes

* Reverting assembly

Author: SteveWilkes

.gitignore

@@ -57,6 +57,14 @@ string readable = myExpression
     .ToReadableString(c => c.ShowQuotedLambdaComments);
 ```
 
+To show `string.Concat()` method calls with all-string parameters as method calls
+instead of concatenations using the concatenation operator (+), use:
+
+```csharp
+string readable = myExpression
+    .ToReadableString(c => c.ShowStringConcatMethodCalls);
+```
+
 To define a custom factory for naming anonymous types, use:
 
 ```csharp

NuGet/AgileObjects.ReadableExpressions.4.1.0.nupkg

@@ -5,11 +5,11 @@ VisualStudioVersion = 17.5.33209.295
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{884A1D4E-7B9C-4411-A1E5-50B30F243FB1}"
 	ProjectSection(SolutionItems) = preProject
-		.gitignore = .gitignore
+		..\.gitignore = ..\.gitignore
 		ClsCompliant.cs = ClsCompliant.cs
 		CommonAssemblyInfo.cs = CommonAssemblyInfo.cs
-		Directory.Build.props = Directory.Build.props
-		README.md = README.md
+		..\Directory.Build.props = ..\Directory.Build.props
+		..\README.md = ..\README.md
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ReadableExpressions.UnitTests", "Tests\ReadableExpressions.UnitTests\ReadableExpressions.UnitTests.csproj", "{A7BAC212-DA6C-4473-8043-006FF6967922}"