[Ohrrpgce] SVN: teeemcee/12122 "check parentage" was completely broken

[subversion at HamsterRepublic.com]

teeemcee
2020-12-16 21:58:42 -0800 (Wed, 16 Dec 2020)
260
"check parentage" was completely broken

Actually it returned the opposite to the correct value because it called
verifySliceLineage instead of IsAncestor.
But according to my most rpgbatch scan of all games for script usage, from 2017,
noone had ever used it.
---
U   wip/docs/plotdict.xml
U   wip/scriptcommands.bas
U   wip/slices.bas
U   wip/testgame/autotest.hss
U   wip/testgame/autotest.rpg
U   wip/whatsnew.txt