-added mixin for adding exluded components using it's type
-demos:
*added GUI for selecting templates and choosing tools
*change SpaceInvades SideMove system to not using events for better performance and multithreading
*added Entites spawning support
*fixed some Snake demo bugs
*GUI work's better now
*updated build scripts
*removed tls variables from code (needed to support WebAssembly)
*some mmutils tweaks
*some fixes
*pthread TLS thread ID implementation
-added Atomic file (reimplementation of atomics templates for emscripten)
-added emscripten support to ecs.std