Add MinDays and MaxDays to delivery time

[muratcakir]

• Both nullable
• New option: Show delivery date instead of delivery time name (default: true)
• Delivery date text
  • If MinDays > 0 && MaxDays == null: Not before [PrettyDate]
  • If MinDays == null && MaxDays > 0: Not later than [PrettyDate]
  • If MinDays > 0 && MaxDays > 0: Between [PrettyDate] and [PrettyDate]
  • If MinDays > 0 && MaxDays > 0 && MinDays == MaxDays: On [PrettyDate]

[mgesing]

Resolved.