Merge pull request #48 from jmazgut/patch-1

For Python 3.x, one must use int instead of long in GetFile function

Author: gknisely

py/get_tiles.py

@@ -73,10 +73,10 @@ def Col(self, x):
 
   def Digits(self, number):
     digits = 1 if (number < 0) else 0
-    while long(number):
+    while int(number):
        number /= 10
        digits += 1
-    return long(digits)
+    return int(digits)
 
   # get the File based on tile_id and level
   def GetFile(self, tile_id, level):