version 0.6.0

Merge pull request #12 from part-os/q2-2020-api-updates

Q2 2020 api updates

Merge pull request #11 from part-os/assemblies

Assemblies

Merge pull request #9 from part-os/add_quantities_to_operations

Update the objects, mappers, and tests to reflect the addition of ope…

Add .gitignore back in

Helper function for getting operation costing variable by name

Release v0.1.1

Release v0.1