Please add enhanced-unwind-protect

[Hexstream]

enhanced-unwind-protect provides an enhanced unwind-protect that makes it easy
to detect whether the protected form performed a non-local exit or returned normally.

Project's home: https://www.hexstreamsoft.com/libraries/enhanced-unwind-protect/

GitHub: https://github.com/Hexstream/enhanced-unwind-protect

Quicklisp should pull from the tarball: https://tarballs.hexstreamsoft.com/libraries/latest/enhanced-unwind-protect_latest.tar.gz

(I am aware of unwind-protect-case, which I am not interested in.)