(#12) Implement document COPY API
(#12) Implement document COPY API

pouchdb/pouchdb-server,tyler-johnson/express-pouchdb,nicolasbrugneaux/express-pouchdb,tyler-johnson/express-pouchdb,nicolasbrugneaux/express-pouchdb,pouchdb/pouchdb-server,nicolasbrugneaux/express-pouchdb,tyler-johnson/express-pouchdb