intelligent monsters pick up and rummage through containers
toggling 'travel' option Off now only inhibits travel by mouse click, not by
'_' command where choosing the destination provides a chance to cancel
+different glyphs and symbols for stone and unexplored areas
+new glyph GLYPH_NOTHING was added so !dark_room has something to be set to
+ now that stone could be mapped to an entirely different symbol
+added several new status conditions all of which are opt-in except
+ the new cond_grab and cond_lava which are opt-out
Platform- and/or Interface-Specific New Features