Bug 描述
客户端或服务端发消息,对方收到消息后,没有发送回执,无法判断消息是否发送成功.
这是一个很大的漏洞,如果要做离线消息的话,消息是否发送成功是一个非常重要的点

In the dockerfile

https://github.com/jpillora/chisel/blob/f3a8df20e389ce41cd49101408231c67c093f5af/Dockerfile#L9-L12

Is that normal that https://github.com/jpillora/chisel/share.BuildVersion=1.3.1 returns Not found because I see it is used in the dockerfile?

Also maybe you could help us with packaging chisel in BlackArch BlackArch/blackarch#2456

1. The example configuration of tunnel.yml: indent charaters uses both tab and spaces, which makes it not parsable.
   2 After fixed 1, client throws the following error:

configuration error: tls invalid protocol "sni"

Client version: 2.1

Add a changelog

There should be a changelog so that developers can know what changes were introduced with each version without having to scroll through endless pages of GitHub releases.

Steps to reproduce your error

• Open https://github.com/actionhero/actionhero in your browser
• Try to locate the CHANGELOG.md file

Expected

• There is a CHANGELOG.md file

Actual

• There

I noticed that the "certificate weakening" TlsOptions like IgnoreCertificateChainErrors, IgnoreCertificateRevocationErrors, AllowUntrustedCertificates and CertificateValidationCallback have no effect when using web socket connections.

I understand this is because the underlying api (System.Net.WebSockets) does not support this (at least not in all target frameworks), but I think it should be no

Is your feature request related to a problem? Please describe.
The 1.3 branch breaks physics-based network object and sync functionality.

Describe the solution you'd like
Add option to sync Rigidbody including axis restrictions, preferably.

Additional context
1.2 screenshots:
![options](https://user-images.githubusercontent.com/623830/50857796-aeacf400-135c-11e9-9252-569d2b7

Please check the reproducible example here: https://github.com/michaelr524/reactor-netty-ssl-leak

mvn clean package
java -jar target/reactor-netty-ssl-leak-1.0-SNAPSHOT.jar 

• Reactor version(s) used: 0.9.4.RELEASE
• Other relevant libraries versions (eg. netty, ...):
• JVM version (javar -version):
  openjdk version "12.0.2" 2019-07-16
  OpenJDK Runtime Environment (build 12.0