Fixed compilation issues

Testing new version of kfold-pos

Cross-validation preprocessing step

Cross-validation version of PhyREX

PIV version of PhyML used for 2024 publication Bastide et al.

New release

Fixed release number in configure.ac

Quite a big of cleaning pus fixed a bug in partiionned analysis preve…

…nting proper edge length opt.

Updated release tag in configure.ac

Added edge above root in calculation of likelihood for rates