Adds Midsummer quests for Pandaria.
Updates some quest/NPC information not associated with Midsummer.
Changes _CleanDatabase() to better handle NPCs that have prerequisites.
Corrects a problem where questReputations was not initialized when reputation data was not loaded.
Adds the ability to have an equipped iLvl be used as a prerequisite.
Corrects a problem with QuestPrerequisites() and nil data.
Changes the Interface to 50300 for the 5.3.0 Blizzard release.
Updates some quest/NPC information, primarily with the Isle of Thunder.
Adds a new loadable addon, Grail-When, that records when quests are completed.
Adds a flag to QuestPrerequisites(), allowing the lack of flag to cause the behavior to return to what it was previously, and with the flag the newer behavior.
Makes it so choosing PvE or PvP for the day on Isle of Thunder is handled well.
Adds IsQuestObsolete() and IsQuestPending() which use the new Z and E quests codes that can be present. If either returns true, the quest is not available in the current Blizzard client.
Adds support for the new way reputation information is being stored.
Converts prerequisite information storage to no longer use tables, saving about 1.0 MB of space.