Core/Achievements: Implemented ACHIEVEMENT_CRITERIA_TYPE_KILL_CREATURE_TYPE
Core: Fix non pch build
Core/Achievement: Fix warning
DB/Errors: Misc db error fixes

Db errors fixed by @untaught PrevQuest fixes by @dr-j and @Crysicle
Fixes #10370 Fixes #5064 Partially takes care of #10747 - more to come.
Just because....