Update AUTHORS and Changelog

Refs: #664, #677, #676, #673, #674, #655, #657, #626, #625, #619, #613, #608, #511, #559

docs/changelog.rst

@@ -5,10 +5,23 @@ Changelog
 
 Changes in 0.9.X - DEV
 ======================
-- pypy support #673
-- Enabled connection pooling #674
+
 - Removing support for Django 1.4.x, pymongo 2.5.x, pymongo 2.6.x.
 - Removing support for Python < 2.6.6
+- Fixed $maxDistance location for geoJSON $near queries with MongoDB 2.6+ #664
+- QuerySet.modify() method to provide find_and_modify() like behaviour #677
+- Added support for the using() method on a queryset #676
+- PYPY support #673
+- Connection pooling #674
+- Avoid to open all documents from cursors in an if stmt #655
+- Ability to clear the ordering #657
+- Raise NotUniqueError in Document.update() on pymongo.errors.DuplicateKeyError #626
+- Slots - memory improvements #625
+- Fixed incorrectly split a query key when it ends with "_" #619
+- Geo docs updates #613
+- Workaround a dateutil bug #608
+- Conditional save for atomic-style operations #511
+- Allow dynamic dictionary-style field access #559
 
 Changes in 0.8.7
 ================