Added SMSG_XP_GAIN_ABORTED
Added SMSG_QUESTGIVER_QUEST_INVALID
Added CMSG_QUERY_NEXT_MAIL_TIME, SMSG_QUERY_NEXT_MAIL_TIME
Added SMSG_SET_FACTION_VISIBLE
Added SMSG_CUSTOM_LOAD_SCREEN
Added SMSG_MODIFY_COOLDOWN
Added SMSG_PLAY_SPELL_VISUAL
Added SMSG_SET_AI_ANIM_KIT
Added SMSG_DURABILITY_DAMAGE_DEATH
Added SMSG_DISMOUNT
Added SMSG_PET_ACTION_SOUND
Added SMSG_GAMEOBJECT_DESPAWN_ANIM
Added SMSG_MISSILE_CANCEL
Added SMSG_PET_DISMISS_SOUND
Added SMSG_ADJUST_SPLINE_DURATION