More iterator() tests.
Support for `DISTINCT ON`.
Distinct docs.
Test SQL generation.
Better support for window functions.
Simplify window syntax
Documenting window
Adding test wrapped count on unions
No hard requirement for sqlite3
Updated Google Cloud SQL documentation.
correct variable name in insert_many example
Merge pull request #370 from jpttrssn/master

Updated Google Cloud SQL Documentation
Merge pull request #371 from amedeedaboville/patch-1

correct variable name in insert_many example
Document prefetch/m2m behavior.
Fix composite key count(), fixes #350
Going with @demongoo's solution instead.
Indicate `created` when saving using `force_insert=True`. Fixes #376
Enable automated testing with Python 3.4
Merge pull request #379 from frewsxcv/patch-1

Enable automated testing with Python 3.4
Fix null UUID foreign keys