all Is_*_level tests during early startup would test as true until
dungeon_topology was initialized in a new game or restored from
a save file
-take holes that you avoided into consideration when you're on the brink
Fixes to Post-3.6.2 Problems that Were Exposed Via git Repository
did a normal monster refresh; the 'I' glyph step clobbers remembered
object at same spot, so skip it for locations where monster refresh
is going to immediately redisplay a monster
+take holes that you avoided into consideration when you're on the brink
unix: fix double DLB definition in linux hints file
windows: fix --showpaths output for the data file which relies on being
constructed programmatically to incorporate the version suffix