Add first ADS-2 draft, which holds design spec for the Atrinik protocol (not yet complete).
Add support for <and>...<check />...<or>...</or>...</and> inside <interface> tags, as per ADS-1, revision 1.1.
Update interface definitions.
Add support for <code>...</code> tags inside <interface> tag, as per ADS-1, revision 1.1.
Update interface definitions.
Remove support for "uid" attribute in <quest> tags, and instead, parse the UID from the directory's name the quest.xml file is in, as per ADS-1, revision 1.1.
Update quest definitions.
Remove support for multiple <message> tags inside <part> tag, replaced by support for single <info> tag, as per ADS-1, revision 1.1.
Update quest definitions.
Update QuestManager.get_quest_msg to support new "info" quest definition entry.
Rename <item> tag inside <dialog> to <object> tag, as per ADS-1, revision 1.1.
Update interface definitions.
Introduce Seller API.
Use Seller API for merchants.
Remove obsolete Market.py.
Add support for sub-dialogues.
Use Seller API for bartenders.
Update Shipment of Charob Beer with sub-dialogues to avoid using code.
Allow using <check started/finished/completed="xxx" /> when no quest is defined.
Some updates to ADS-1 concerning new attributes in <check> tag.