Merge pull request #17 from wesleykendall/develop

fixed bug in manager utils where it wasnt overriding update values on creation
Merge pull request #19 from wesleykendall/develop

added an optional return_upserts argument to bulk_upsert
Merge pull request #21 from wesleykendall/develop

bulk_upsert update_fields no longer required
Merge pull request #25 from wesleykendall/develop

django manager utils has functional interface
Merge pull request #27 from wesleykendall/develop

Sync operation
Update __init__.py
Update version.py
Merge pull request #30 from wesleykendall/develop

the functional bulk upsert routine calls the functional bulk update rout...
Update version.py
Merge pull request #33 from wesleykendall/develop

Update __init__.py
Update version.py
bumped version