Added ExplodingTarPotion, a quest reward for the Gretchen quest, to BasePotion.
Added entries to Fishing.cs so that Red Herrings and Mud Puppies can be fished up in Underworld when the Xenrr and Barreraak quests are active.
Added files necessary for the Barreraak quest. This quest is present on OSI, so was added to ServUO for OSI likeness. http://www.uoguide.com/Barreraak
Added files necessary for the Gretchen quest "Curiosities". This quest is present on OSI so was added to ServUO for OSI likeness. http://www.uoguide.com/Gretchen_the_Alchemist
Added files necessary for the Xenrr quest "Scraping the Bottom". This quest is present on OSI so was added to ServUO for OSI likeness. http://www.uoguide.com/Xenrr