Get the rest of the DDL methods.
Use wraps decorator so we don't lose the identity of the decorated function
Merge pull request #278 from lucasmarshall/master

Use wraps decorator so we don't lose the identity of the decorated function
Adding autorollback option to database.
Documenting new param
Adding test for multiple foreign keys to same model w/select_related.
DOc fix.
Rudimentary Json field
Adding support for JSON operator.
Documenting json field.
Merge branch 'master' into field-refactor
Flag model dirty.
Test dirty flag.
Property is better.
Model should be Prepared after creation.
Merge pull request #284 from soasme/prepare_after_create

Model should be prepared after creation.
Closer.
Merge pull request #283 from soasme/decouple_field_descriptor

Dirty Flag
Docs for `is_dirty` and `dirty_fields`.
Fixes #281 and #286, thanks @appetito for debugging this.