libaegis and libsodium can now be statically linked together to the same project.

Updates were also made to accommodate the recent changes in Zig.

Simplified API for incremental encryption/decryption.

The streaming APIs don't buffer the output any more, making them easier to use.

However the API remains fully compatible.

The next major version is going to change the API to remove the (now unused) parameters.

Include all the AEGISMAC variants, as in the final spec.

Faster incremental operations. Especially useful in conjunction with TLS.