History of releases and changes in ldigest

* ldigest-104	2026-10-09
- added safeguards before HMAC in test.lua
- added -Wno-deprecated-declarations unconditionally

* ldigest-103	2024-04-01
- added support for HMAC

* ldigest-102	2022-05-04
- added -Wno-deprecated-declarations to Makefile to avoid warnings in macOS

* ldigest-101	2019-06-07
- macOS does not need MYLIBS
- added ldigest.h to simplify ldigest.c

* ldigest-100	2018-07-29
- first release

