2.7.100 released May 24, 2000

- minimize_eyes and maximize_eyes simplified and bugfixed
- better documentation of the hash table in life.c
- some cleanup in life.c, optics.c
- new format character 'x' in vgprintf (utils.c)
- improved printing of pass moves when %m is used in vgprintf
- default life_eyesize increased to 8
- new eye tests