Merge tag 'v3.1.0' into develop

this is a pre-release and beta version

src/Downloader/Downloader.csproj

@@ -2,15 +2,22 @@
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;net462;net6.0;</TargetFrameworks>
     <LangVersion>latestMajor</LangVersion>
-    <Version>3.0.6</Version>
+    <Version>3.1.0</Version>
     <Title>Downloader</Title>
     <Authors>Behzad Khosravifar</Authors>
     <Company>bezzad</Company>
     <Description>Fast and reliable multipart downloader with asynchronous progress events for .NET</Description>
     <PackageProjectUrl>https://github.com/bezzad/Downloader</PackageProjectUrl>
     <RepositoryUrl>https://github.com/bezzad/Downloader</RepositoryUrl>
     <PackageTags>download-manager, downloader, download, idm, internet, streaming, download-file, stream-downloader, multipart-download</PackageTags>
-    <PackageReleaseNotes>Download the same file from multiple sources #118</PackageReleaseNotes>
+    <PackageReleaseNotes>
+      Download the same file from multiple sources #118
+      Control the amount of system memroy (RAM) that the Downloader consumes during downloading.
+      Refactor all codes and test.
+      User xUnit instead of msunit tests.
+      Improve memory performance.
+      Fixed some bugs.
+    </PackageReleaseNotes>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>Downloader.snk</AssemblyOriginatorKeyFile>
     <Copyright>Copyright (C) 2019-2023 Behzad Khosravifar</Copyright>