Fix trigger_hurt forgiveness not resetting damage correctly
language.GetPhrase changes
* Increase limit to 4000 bytes, from 1000
* If limit is hit, truncate the string, instead of outputting an empty string
Make language.Add type-error on invalid input instead of silently fail
Added more intersection functions
* util.IntersectRayWithSphere
* util.IsSphereIntersectingSphere
* util.IsBoxIntersectingSphere
* util.IsPointInBox
* util.IsPointInCone
* util.IsSphereIntersectingCone
* util.IsOBBIntersectingOBB - last argument is now optional