Bug fixes:
Fix bug in handling fixation removal in generations
when simplification occurs. (PR {pr}1326)
Back end changes:
- Improve runtime validation of inputs to GSL discrete
lookup tables. (PR {pr}1330) - Throw an exception if ALL diploid fitness values are 0. (PR {pr}
1330) - Throw an exception if ALL diploid fitness values are 0 within a single deme. (PR {pr}
1330) - Fix a warning relating to code not accepted in C++20. (PR {pr}
1333)