[minor] Add the optional `includeZeroPopulation` query param to the requests

endpoints/location.js

@@ -25,7 +25,7 @@ function Location(api) {
  * @api public
  */
 Location.prototype.normalize = function normalize() {
-  var args = this.api.args(arguments, 'includeZeroPopulation', 'casing');
+  var args = this.api.args(arguments, 'population', 'casing');
 
   //
   // Add a custom endpoint.
@@ -47,7 +47,7 @@ Location.prototype.normalize = function normalize() {
  * @api public
  */
 Location.prototype.enrich = function enrichment() {
-  var args = this.api.args(arguments, 'includeZeroPopulation', 'casing');
+  var args = this.api.args(arguments, 'population', 'casing');
 
   //
   // Add a custom endpoint.

index.js

@@ -42,6 +42,7 @@ FullContact.prototype.process = function req(api, query, args) {
   //
   if (args.queue) query.queue = args.queue;
   if (args.casing) query.casing = args.casing;
+  if (args.population) query.includeZeroPopulation = !!args.population;
 
   //
   // The packet that is send to the server or queued when we are in queuing