UPDATED Castle, Game, Overlord, Quests, Quest, QuestStaff, World
Fixed the TODO, passed attributes of Quests in private, added methods in
Quests to access these attributes.
UPDATED Game, QuestStaff, Quests, StaffEnhancementQuest
Changed name of QuestStaff to StaffEnhancementQuest
UPDATED Game, Main, Overlord
Allowed for change in the pseudo of the player