Changelog

Version 0.9.X

Moved all code required for value conversion for / deconversion from database to DatabaseOperations
Moved nonrel fields' values handling to toolbox, allowing backends to just select an appropriate storage type (including string and binary)
Moved decimal-to-string implementation preserving comparisons to toolbox (previously in the GAE backend)
Let backends use the QuerySet's standard_ordering when no field ordering is defined
Fixed conversion of values for EmbeddedModelField subfields
Fixed preparation of lookup arguments for List/Set/DictField
Fixed value comparisons in in-memory filtering (only used by GAE)
Fixed update for EmbeddedModelField nested in a nonrel field

Version 0.9.1

Added lazy model lookups to EmbeddedModelField
Simplified CapturingTestSuiteRunner by using Django's integrated unittest2 package
Several new unit tests

Version 0.8.1

Added default implementation for check_aggregate_support(). Contributed by Jonas Haag
Added ListField/etc. support for fields that require SubfieldBase

Version 0.8

This release unifies the field types of all existing nonrel backends.

Merged with ListField from MongoDB backend. Contributed by Jonas Haag
Added SetField, DictField, and RawField. Contributed by Jonas Haag
Fixed support for proxy models. Contributed by Vladimir Mihailenco
Several cleanups and minor bug fixes