Stats Limits
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I am sleepy....
DB/SAI: some fixes for The Art of Being a Water Terror

Closes #9870
Merge pull request #9950 from Corbi/master

Core/Statsystem: Implemented config options to cap stats at certain values
Core: Fixed compile without PCH
DB/Quests: Fix Foolish Endeavors, closes #1880 closes #9849

Thanks to @dr-j for a major part of the work!

Also rename a file.