small fixes

labyrinth.py

@@ -26,11 +26,11 @@ class Labyrinth:
 			assert self.groundtype != Labyrinth.GroundType.WALL
 			self.things.append(thing)
 		def neighbor(self,dy,dx):
-			self.labyrinth.getTileAt(self.row + dy, self.column + dx)
+			return self.labyrinth.getTileAt(self.row + dy, self.column + dx)
 		def isWalkable(self):
 			# this may be more complicated in the future
 			return self.groundtype == Labyrinth.GroundType.FLOOR
-		def toString(self):
+		def __str__(self):
 			# always starts with there is/there are
 			if self.groundtype == Labyrinth.GroundType.WALL:
 				return "there is a wall"
@@ -105,4 +105,5 @@ class Labyrinth:
 	
 	def createThing (self, thing, field):
 		thing.field = field
-		field._addThing(thing)
\ No newline at end of file
+		field._addThing(thing)
+		thing.onMove(field)
\ No newline at end of file