Melt the butter in a large stockpot, then sauté the onions and celery until the onion is translucent. Add the Chicken Stock and season the soup with the red pepper flakes, Old Bay Seasoning, Worcestershire sauce, bay leaves and salt to taste. Bring to a boil, reduce heat to a simmer and add the cabbage, potatoes, Lima beans and the bag of frozen mixed vegetables. Bring the pot to a low boil for 20 minutes or until the potatoes are tender.meanwhile, place the crabmeat in a bowl and gently pick over it for any shells. Add the crabmeat and simmer for five minutes until the crabmeat is heated. Season the soup with salt, hot sauce, old bay and/or Worcestershire sauce to taste.Thin the soup with additional stock or water as needed.Remove the bay leaves and serve.