v0.5.4

• Use DisposeAsync across the libraries since .NET Standard 2.1 (.NET Core 3.0).

CXuesong.JsonRpc.AspNetCore

• Use asynchronous overloads to access HTTP request/response (#13)
  • Thus ASP.NET Core 3+ will not complain about you are using synchronous HTTP stream overloads.
  • You will not need to enable AllowSynchronousIO in your config.
• Use HTTP 200 status code for error JSON RPC response. (#14)
  • Library consumer can still derive from AspNetCoreRpcServerHandler and override AspNetCoreRpcServerHandler.GetStatusCodeFromResponse to customize the status code mapping.