DefaultModel, rename isHavingItems() to hasModelItems(), add hasItemsModel(), getModelItemsModel() and getModelLinkedList() methods
DefaultModel, rename isHavingItems() to hasModelItems(), add hasItemsModel(), getModelItemsModel() and getModelLinkedList() methods

unki/thallium,unki/thallium,unki/thallium,unki/thallium,unki/thallium,unki/thallium