A version of BBTorsionSRFD that considers each torsion independently during is_applicable() and apply() calls when passed a MoveMap (vs the all-torsions-must-be-moveable-or-nothing-is behavior in the original BBTorsionSRFD).
A version of BBTorsionSRFD that considers each torsion independently during is_applicable() and apply() calls when passed a MoveMap (vs the all-torsions-must-be-moveable-or-nothing-is behavior in the original BBTorsionSRFD).