Civil practice and procedure – Security for costs application – Section 388 of Companies Act – Court’s power to stipulate time – Part 24 of the CPR – Delay in making application – Relevance of relative impecuniosity of claimant company to more prosperous defendant – Avoidance of both oppressive use of security for costs application and of state of impecuniosity – Whether claim only or whole of proceedings stayed – Appropriate order for costs on successful application for security for costs