1.7.0

What's Changed

• Add docs on existing asynchronous I/O (ref: docs/README.md#asynchronous-io)
• addition of ReceiveTimeout/SendTimeout (ref: docs/README.md#synchronous-io-send-and-receive-timeouts)
• addition of asynchronous I/O cancellation ability (ref: docs/README.md#asynchronous-io-cancellation-send-and-receive-timeouts)
• more tests added, improved test coverage
• add license and readme to nuget package
• reduce sonarqube reported issues

Full Changelog: 1.6.1...1.7.0