Implement "leave out group / fold" logic and integrate with honesty#2

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eschmidt-nvidia wants to merge 3 commits intorf_honestyfrom

groups_and_folds

Commits on Jul 18, 2023

Implement "leave out group / fold" logic, along with integration with
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PR cleanups, add missing "extra" tree logic for when the tree count specified is larger than needed for folds/groups
eschmidt-nvidia
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Commits on Jul 19, 2023

Finishing up the required params
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