split up util.py into files.py and logger.py, moved code appropriately

test/test_all.py

@@ -26,9 +26,8 @@ if 0:
             self.lock = None
     root.addHandler(NullHandler())
 else:
-    import overviewer
-    import logging
-    overviewer.configure_logger(logging.DEBUG, True)
+    from overviewer_core import logger
+    logger.configure(logging.DEBUG, True)
 
 
 if __name__ == "__main__":

test/test_rendertileset.py

@@ -1,7 +1,6 @@
 import unittest
 
-from overviewer_core.tileset import RendertileSet
-from overviewer_core.util import iterate_base4
+from overviewer_core.tileset import iterate_base4, RendertileSet
 
 class RendertileSetTest(unittest.TestCase):
     # If you change this definition, you must also change the hard-coded

test/test_tileobj.py

@@ -1,7 +1,6 @@
 import unittest
 
-from overviewer_core.util import iterate_base4
-from overviewer_core.tileset import RenderTile
+from overviewer_core.tileset import iterate_base4, RenderTile
 
 items = [
         ((-4,-8), (0,0)),

test/test_tileset.py

@@ -6,7 +6,7 @@ import os
 import os.path
 import random
 
-from overviewer_core import tileset, util
+from overviewer_core import tileset
 
 # Supporing data
 # chunks list: chunkx, chunkz mapping to chunkmtime
@@ -120,7 +120,7 @@ def get_tile_set(chunks):
     tile_set = defaultdict(int)
     for (chunkx, chunkz), chunkmtime in chunks.iteritems():
 
-        col, row = util.convert_coords(chunkx, chunkz)
+        col, row = tileset.convert_coords(chunkx, chunkz)
 
         for tilec, tiler in tileset.get_tiles_by_chunk(col, row):
             tile = tileset.RenderTile.compute_path(tilec, tiler, 3)