def get_record(identifier)
      doc = client.get!(CGI.escape(identifier)).body.to_json
      @record_class.build(mint_id(identifier), doc, 'application/json')
    end
def get_record(identifier)
      doc = client.get!(CGI.escape(identifier)).body.to_json
      @record_class.build(mint_id(identifier), doc, 'application/json')
    end
Retrieves a specific document from CouchDB.

 Uses Analysand::Database#get!, which raises an exception if the
 document cannot be found.

 @see Analysand::Database#get!