Astrolog 7.80

This is a copy of the "official" version of Astrolog 7.80 (released June 20, 2025) described at: http://www.astrolog.org/astrolog.htm

The files here were copied from: http://www.astrolog.org/ftp/ast78src.zip

The changes in version 7.80 are described at: http://www.astrolog.org/ftp/updat780.htm

No modifications have been made to any of these files, and the only addition is this GITHUB format README.