Allow training Invocations under Wulndraste (Piginabag)
Don't crash on Wulndraste penance (Piginabag)

Also remove a debug mprf statement.
Prevent Wulndraste/labyrinth interaction (doy, Lightli)

Labyrinths no longer consider their entrance point to be all stairs when
asked by Wulndraste.
Let Wulndraste allow you to leave a branch.
Be less testy with beams.

LLLAAASSSTTTYYY