Release v4.0.0

• Modernize to use newer and better tools that are available across all platforms
• Switch to GitHub Actions for automated build on Windows, macOS, and Ubuntu
• Rewrite the build system in Modern CMake
• Improved CMake support for use as a library in your project
• Removed static build projects and Makefile
• Bug-fix in Format class, include string header
• Simplify copyright headers
• Apply clang-format project wide for consistent formatting

v3.0.0

• Separated C++ classes into their own project
• Require C++11 support
• Remove all exceptions as a compile time option
• Added Format::Element::key() method
• Added Format::MakeList(...) method
• Added Format::QuaternionToMatrix(...) method
• Added CI builds with coverage reporting
• Added unit tests (and Python test server) to the public repo
• Added CMake project config
• Added 2 example apps to the build, one simple from the README and the CSV streamer from another repo
• Breaking changes to the Client protected/private method interface. The public interface is backwards compatible (minus no exceptions thrown)
• Refactor and clean up the Client internal methods. Unify Windows and Linux socket API calls where possible