Biome data from Biome Extractor is now used if it is present.

If the BIOMEEXTRACTOR data is not available, then non-biome aware
tinting will be used

Open biome data in binary mode (Windows requires this)

world.py

@@ -94,12 +94,13 @@ class WorldRenderer(object):
     files to update. If it includes a trailing newline, it is stripped, so you
     can pass in file handles just fine.
     """
-    def __init__(self, worlddir, cachedir, chunklist=None, lighting=False, night=False):
+    def __init__(self, worlddir, cachedir, chunklist=None, lighting=False, night=False, useBiomeData=False):
         self.worlddir = worlddir
         self.caves = False
         self.lighting = lighting or night
         self.night = night
         self.cachedir = cachedir
+        self.useBiomeData = useBiomeData
 
         self.chunklist = chunklist