* Put AES ctx on the heap
This forces people to use the ``ctx_release`` functions, because otherwise there will be leaks
* Put fips202 on the heap
* Add much more docs for fips202.h
* fixup! Put fips202 on the heap
* Put SHA2 on the heap-supporting API
* Fix clang-tidy warnings
* Fix unreachable free() in falcon
* Fix McEliece8192128f-sse GNU Makefile
* Add state destroy to SHA2 API
* Include optimized SPHINCS+ implementations
I've generated new implementations from the sphincsplus repository.
* Don't destroy sha256ctx after finalize
* Attempt to shut up MSVC
* Make sure to drop errors in rmtree
