Fixed register_delete_rule inheritance issue
Updated changelog
Upserting is the only way to ensure docs are saved correctly (#306)
Added offline docs links
Pep8
Added $setOnInsert support for upserts (#308)
Upserts now possible with just query parameters (#309)
Updated fields
Fixed querying string versions of ObjectIds issue with ReferenceField (#307)
Updated RC version
added .disable_inheritance method for the simple fetch exclusives classes
Querysets now utilises a local cache

Changed __len__ behavour in the queryset (#247, #311)
Merge remote-tracking branch 'origin/pr/312' into 312
Added no_sub_classes context manager and queryset helper (#312)
assertEquals is bad
Updated version
Added a failing test when using pickle with signal hooks
test reference to a custom pk doc
added get_next_value to SequenceField
Merge branch 'master' of https://github.com/MongoEngine/mongoengine
added my github profile