C++ Child Process Spawning [Reflective Serialization]

Part of a series on a bunch of topics, mainly intended to (eventually) share some ideas about serialization and reflection in C++. https://www.youtube.com/playlist?list=PLqCJpWy5FohfRMWvhmJC1W9TsluSvtRkp https://github.com/planetchili/Chil/tree/refl-cereal