- The renderer backend is now its own library, loaded at runtime.
- Removed GLFW dependency, instead use win32 directly.
- Broke linux window creation, because it's not implemented yet.
- Maybe use GLFW for linux?
- [win32] FIO thread no longer hangs during application exit
- Signal if a file operation was actually successfull.
- Add a logging function (currently identical to vyReportError)