Merge pull request #1 from qingfeng/master

Fix work Django trunk

ormcache/models.py

@@ -144,7 +144,7 @@ def _prepare(cls):
         cls.add_to_class('objects', CacheManager())
         cls.add_to_class('nocache', Manager())
         cls.add_to_class('_default_manager', cls.nocache)
-        dispatcher.send(signal=signals.class_prepared, sender=cls)
+        signals.class_prepared.send(sender=cls)
 
     @staticmethod
     def _get_cache_key_for_pk(model, pk):

ormcache/query.py

@@ -1,4 +1,4 @@
-from django.db.models.query import QuerySet, GET_ITERATOR_CHUNK_SIZE
+from django.db.models.query import QuerySet, ITER_CHUNK_SIZE
 from django.db import backend, connection
 from django.core.cache import cache
 from django.conf import settings