Occupations API fixes

Dummy english shortnames
Add unexposed metadata API endpoint

Real GDP + occupations API

Merge pull request #25 from cid-harvard/feature-occupations

Occupations API

num_plants, num_establishments, monthly_wages, gdp update, MSA APIs, subregions, neave data updates

v1.2.0

Neave data update changes COL-528

Bump marshmallow version

v1.1.1

Explicitly specify marshmallow version

Colombia level products

Colombia level 4digit products COL-370

Bugfix - filter by digit level in some APIs

v1.0.2

Bugfix: filter by digit level. Fixes COL-465.

Update to prosperia industry classification / drop nonmerging rows

v1.0.1

Bug in hierarchy API because there is no 3digit industry level anymore

New API and new classifications for Colombia

v1.0.0

Bump linnaeus version

Add all-years to scatterplot API and spanish product imports

Merge pull request #20 from cid-harvard/feature-scatterplot-multiyear

Add all years option to scatterplot API

Handle case where density is missing

v0.7.0

Remove unused import