Added explicit noexcept specifier for destructor

See http://stackoverflow.com/a/5270017/135079 for details
Cmake: Link against pthread under unix
Add special argument for GCC

I wrote UNIX because I don't know how to specify GCC :-(
Maybe that change will brake clang compilation.
Cmake: Do not symlink under Windows (Causes error during build)

Maybe copying test assets would be fine?
CMake (Windows): omit illegal CXX Flag, mute sprintf warnings
CppSlim: Added fallback port 8050 for debugging
CMake: Even more fun with MSVC specifics