finalize the v0.10.7 changelog

docs/changelog.rst

@@ -2,10 +2,15 @@
 Changelog
 =========
 
-Changes in 0.10.7 - DEV
-=======================
+Changes in 0.10.8
+=================
+- Fill this in as PRs for v0.10.8 are merged
+
+Changes in 0.10.7
+=================
 - Dropped Python 3.2 support #1390
 - Fixed the bug where dynamic doc has index inside a dict field #1278
+- Fixed: ListField minus index assignment does not work #1128
 - Fixed not being able to specify `use_db_field=False` on `ListField(EmbeddedDocumentField)` instances
 - Fixed cascade delete mixing among collections #1224
 - Add `signal_kwargs` argument to `Document.save`, `Document.delete` and `BaseQuerySet.insert` to be passed to signals calls #1206
@@ -18,8 +23,11 @@ Changes in 0.10.7 - DEV
 - Fixed no_cursor_timeout error with pymongo 3.0+ #1304
 - Replaced map-reduce based QuerySet.sum/average with aggregation-based implementations #1336
 - Fixed support for `__` to escape field names that match operators names in `update` #1351
-- Add support for pickling QuerySet instances. #1397
+- Fixed BaseDocument#_mark_as_changed #1369
+- Added support for pickling QuerySet instances. #1397
 - Fixed connecting to a list of hosts #1389
+- Fixed a bug where accessing broken references wouldn't raise a DoesNotExist error #1334
+- Improvements to the dictionary fields docs # 1383
 
 Changes in 0.10.6
 =================