public void RemoveRequirement(ScoreRequirement requirementToRemove)
{
requirementToRemove.SetAssociatedScoreLock(null);
MinimumRequirements.Remove(requirementToRemove);
}
public void AddRequirement(ScoreRequirement requirementToAdd)
{
MinimumRequirements.Add(requirementToAdd);
requirementToAdd.SetAssociatedScoreLock(this);
}