(GH-69) Add .NET 3.5 and .NET 4.0 targets

* Added .NET 3.5 target
* Added .NET 4.0 target
* Added source link
* Added source to symbols package
* Added NuGet package description
* Added CLRF fix for AppVeyor
* Fixes #69

Author: devlead

appveyor.yml

@@ -6,4 +6,7 @@ build_script:
   - ps: .\build.ps1  --target="AppVeyor" --verbosity=Verbose
 
 # Tests
-test: off
+test: off
+
+init:
+  - git config --global core.autocrlf true

build.cake

@@ -83,7 +83,7 @@ Task("Clean")
             "./test/bin",
             "./src/obj",
             "./test/obj",
-            "./artifacts/nuget"   
+            "./artifacts/nuget"
         }
     );
 });
@@ -102,7 +102,8 @@ Task("Build")
     DotNetCoreBuild("./LitJSON.sln",
         new DotNetCoreBuildSettings {
             Configuration = configuration,
-            MSBuildSettings = msBuildSettings
+            MSBuildSettings = msBuildSettings,
+            ArgumentCustomization = args => args.Append("--no-restore")
         }
     );
 });
@@ -114,7 +115,8 @@ Task("Test")
         new DotNetCoreTestSettings {
             Configuration = configuration,
             Framework = "netcoreapp2.0",
-            NoBuild = true
+            NoBuild = true,
+            ArgumentCustomization = args => args.Append("--no-restore")
         }
     );
 
@@ -123,16 +125,28 @@ Task("Test")
     });
 });
 
+Task("Test-SourceLink")
+    .IsDependentOn("Build")
+    .WithCriteria(IsRunningOnWindows())
+    .Does(() => {
+    foreach(var asssembly in GetFiles("./src/LitJSON/bin/" + configuration + "/**/*.dll"))
+    {
+        DotNetCoreTool("./src/LitJSON/LitJSON.csproj", "sourcelink", $"test {asssembly}");
+    }
+});
+
 Task("Package")
     .IsDependentOn("Test")
+    .IsDependentOn("Test-SourceLink")
     .Does(() => {
     DotNetCorePack("./src/LitJSON/LitJSON.csproj",
         new DotNetCorePackSettings {
             Configuration = configuration,
             NoBuild = true,
             IncludeSymbols = true,
             OutputDirectory = "./artifacts/nuget",
-            MSBuildSettings = msBuildSettings
+            MSBuildSettings = msBuildSettings,
+            ArgumentCustomization = args => args.Append("--no-restore")
         }
     );
 });
@@ -141,7 +155,6 @@ Task("Upload-AppVeyor-Artifacts")
     .IsDependentOn("Package")
     .WithCriteria(AppVeyor.IsRunningOnAppVeyor)
     .Does(() => {
-
     foreach(var artifact in GetFiles("./artifacts/**/*.*"))
     {
         AppVeyor.UploadArtifact(artifact);
@@ -165,7 +178,7 @@ Task("Publish-MyGet")
     if(string.IsNullOrEmpty(apiUrl)) {
         throw new InvalidOperationException("Could not resolve MyGet API url.");
     }
-    
+
     foreach(var package in (GetFiles("./artifacts/nuget/*.nupkg") - GetFiles("./artifacts/nuget/*.symbols.nupkg")))
     {
         DotNetCoreNuGetPush(package.FullPath,
@@ -194,7 +207,7 @@ Task("Publish-NuGet")
     if(string.IsNullOrEmpty(apiUrl)) {
         throw new InvalidOperationException("Could not resolve MyGet API url.");
     }
-    
+
     foreach(var package in (GetFiles("./artifacts/nuget/*.nupkg") - GetFiles("./artifacts/nuget/*.symbols.nupkg")))
     {
         DotNetCoreNuGetPush(package.FullPath,

src/LitJson/JsonWriter.cs

@@ -223,7 +223,7 @@ private void PutNewline (bool add_comma)
                 writer.Write (',');
 
             if (pretty_print && ! context.ExpectingValue)
-                writer.Write ('\n');
+                writer.Write (Environment.NewLine);
         }
 
         private void PutString (string str)

src/LitJson/LitJSON.csproj

@@ -1,15 +1,25 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net45;netstandard1.5</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net45;netstandard1.5;net40;net35</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <DebugType>embedded</DebugType>
+    <SourceLinkCreate Condition="'$(OS)' == 'Windows_NT'">true</SourceLinkCreate>
   </PropertyGroup>
 
+  <ItemGroup Condition="'$(OS)' == 'Windows_NT'">
+    <PackageReference Include="SourceLink.Create.GitHub" Version="2.1.0" PrivateAssets="All" />
+    <DotNetCliToolReference Include="dotnet-sourcelink-git" Version="2.1.0" />
+    <DotNetCliToolReference Include="dotnet-sourcelink" Version="2.1.0" />
+  </ItemGroup>
+
   <PropertyGroup>
     <PackageId>LitJson</PackageId>
+    <Description>A .Net library to handle conversions from and to JSON (JavaScript Object Notation) strings. Written in C#, and it’s intended to be small, fast and easy to use.
+It's quick and lean, without external dependencies.</Description>
     <Copyright>The authors disclaim copyright to this source code.</Copyright>
     <Authors>Leonardo Boshell, Mattias Karlsson and contributors</Authors>
     <Company>Leonardo Boshell, Mattias Karlsson and contributors</Company>
@@ -18,6 +28,16 @@
     <RepositoryUrl>https://github.com/LitJSON/litjson</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageTags>JSON;Serializer</PackageTags>
+    <IncludeSource>true</IncludeSource>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net35' ">
+    <DefineConstants>$(DefineConstants);LEGACY</DefineConstants>
+    <FrameworkPathOverride Condition="'$(TargetFramework)' == 'net35' and '$(OS)' == 'Windows_NT'">C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v3.5\Profile\Client</FrameworkPathOverride>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net40' ">
+    <DefineConstants>$(DefineConstants);LEGACY</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.5' ">