Minor refactoring

User validation moved to pre-conditions
Signal handler now call terminate() method
Private methods now protected to make class more flexible

Performance improvements

Implemented locker for concurrent socket acceptance (multiple workers)
Preventing delays on client socket connect

Minor stability improvements

Laravel compatibility

Minor stability improvements

Added additional checks

Minor protocol fix

In handshake response each header ends with \r\n
https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers

Improvements for system messaging

This minor release contain system-signal handler and one more test that cover common functionality

Additional parameters for making custom schemas

In this release additional parameters were added.
With this feature become ability to create custom scalable schemes.
For example it can be completely separated workers that can transmit data to each other or can be completely isolated.

Non-blocking IO stable

More efficient version of server with pcntl forks and Generators

Experimental build of Non-blocking IO server

Warning! This build is for testing purposes only. Do not use in production!
(You can use it I production if you want to. But there is no warranty. Please don't blame me)

HL improvements

Minor refactoring + optimization for 8K+ connections