changed manager utils to have a different setup. Also added an optional return_upserts flag to return upserts on a bulk upser
added tests for returning upserted elements
updated travis.yml to use new project app template
flake8 ignores __init_
Merge pull request #19 from wesleykendall/develop

added an optional return_upserts argument to bulk_upsert
Merge pull request #20 from ambitioninc/develop

Added return_upserts option to bulk_upsert