bug fix clone include page_size

Author: James Lin

rest_framework_queryset/__init__.py

@@ -2,6 +2,6 @@
 from __future__ import unicode_literals
 from __future__ import absolute_import
 
-__version__ = '0.1.1'
+__version__ = '0.1.2'
 
 from .queryset import RestFrameworkQuerySet

rest_framework_queryset/queryset.py

@@ -64,6 +64,11 @@ def __iter__(self):
             for item in paginator.page(page).object_list:
                 yield item
 
+    def _clone(self):
+        cloned = super(RestFrameworkQuerySet, self)._clone()
+        cloned.page_size = self.page_size
+        return cloned
+
     def count(self):
         cloned = self._clone()
         params = cloned.kwargs.get('params', {})