fix items not being placed on bosses

bosses were considered unreachable when LimitArea was in effect because
they don't have a sector identifier (e.g. "S2") in their names.

this also affected non-boss things like the "Pump Control". now the
randomizer can actually require you to lower the water!

Fusion_Graph.py

@@ -230,7 +230,7 @@ class Game:
                     continue
             if point in path:
                 continue
-            if LimitArea:
+            if LimitArea and point != end:
                 for area in range(0, 7):
                     if 'S{}'.format(area) in start:
                         if 'S{}'.format(area) not in point: