- bump copyright to 2026
Tag libnew release 1.2
- add 'branches' and 'tags' repository directories
- update change summary logs
- rewrite: Libnew is now a separately distributed package
- update to Automake & Aclocal version 1.18.1
- update Automake generated files due to change [r 173]
- update Autoheader generated file due to change [r 173]
- update Autoconf generated file due to changes [r 173],[r 174]
- add 'AC_PROG_SED' macro
