“(4) In deciding what order (if any) to make about costs, the court must have regard to all the circumstances including- a) The conduct of all the parties; b) Whether a party has succeeded on part of his case, even if he has not been wholly successful; and c) Any payment into court or admissible offer to settle made by a party which is drawn to the court’s attention and which is not an offer to which costs consequences under Part 36 apply. (5) The conduct of the parties includes- a) Conduct before, as well as during, the proceedings, and in particular the extent to which the parties followed any relevant pre-action protocol; b) Whether it was reasonable for a party to raise, pursue or contest a particular allegation or issue; c) The manner in which a party has pursued or defended his case or a particular allegation or issue; d) Whether a claimant who has succeeded in his claim, in whole or in part, exaggerated his claim.”