History of releases and changes in lmpdecimal

* lmpdecimal-101	2026-06-12
- updated Makefile to use ASM only in Linux
- updated README
- new function iseven, isnegative, isodd, ispositive, iszero
- use mpdecimal 4.0.1

* lmpdecimal-100	2021-06-29
- first release
- use mpdecimal 2.5.1

