11.0.5-2

• Add support for Classic Era and Cataclysm Classic clients
• Register with WoW's addon compartment on retail clients (#1)
• Validate guild roster completeness when entering world to avoid faulty guild quits or name changes (#2, #4)
• Detect achievement points dropping to zero for guild members that log on (#3)
• Initialize database only after successful roster load to avoid creation of empty guild database on wrong realm
• Include name changes in merge option - mostly to clean up false positive detections