No tags or releases

[ryandesign]

The readme describes version 3.0:

ManOpen/README.md

Line 45 in 12a2f59

Version 3.0:

However there is no tag in this repository for version 3.0 nor for any other version. Please add tags for all released versions. Ideally, please also add a GitHub release for each tag.

[nickzman]

This was part of a planned version 3.0 that I never finished, or released.