History of releases and changes in lgpc

* lgpc-103	2026-10-06
- fixed linewidth
- updated README

* lgpc-102	2026-02-24
- output eps instead of ps

* lgpc-101	2024-11-05
- use gpc 2.33
- gpc page is now at github

* lgpc-100	2018-07-29
- first release
- use gpc 2.32

