History of releases and changes in limath

* limath-107	2026-10-09
- added test program in src

* limath-106	2026-05-20
- use imath 1.35
- updated README
- use mp_size for imath that return lengths
- new function sign

* limath-105	2024-04-01
- use MYNAME when raising errors
- imath length functions do not report errors

* limath-104	2021-10-02
- use imath 1.32

* limath-103	2020-04-22
- use imath 1.31
- use imath CFLAGS in src/Makefile
- added Pgetbase because imath now aborts when base is invalid

* limath-102	2019-06-03
- use imath 1.28
- add imath URL in src/Makefile

* limath-101	2018-12-01
- use imath 1.24
- fixed typo in README

* limath-100	2018-07-29
- first release
- use imath 1.23

