added delete field for ProductType in args & in qs for fetching deleted Product Type

lib/consignment.js

@@ -488,7 +488,16 @@ var createConsignmentProduct = function(args, connectionInfo, retryCounter) {
   };
   log.debug(options.method + ' ' + options.url);
 
-  return utils.sendRequest(options, args, connectionInfo, createConsignmentProduct, retryCounter);
+  return utils.sendRequest(options, args, connectionInfo, createConsignmentProduct, retryCounter)
+  .then(function(response){
+      if(!response.id){
+        var error = new Error("Error adding consignment product");
+        response.statusCode = 500;
+        error.response = response;
+        return Promise.reject(error);
+      }
+      return Promise.resolve(response);
+  });
 };
 
 var createStockOrder = function(args, connectionInfo, retryCounter) {

vend.js

@@ -151,7 +151,13 @@ var argsForInput = {
           required: false,
           key: 'page_size',
           value: undefined
-        }
+        },
+        deleted: {
+          required: false,
+          key: 'deleted',
+          value: undefined,
+          description: 'Indicates whether deleted items should be included in the response.'
+        },
       };
     },
     create: function () {
@@ -672,7 +678,8 @@ var fetchProductTypes = function (args, connectionInfo, retryCounter) {
     //       Server side no longer limits you to pages of size 200 and it can handle north of 10000 easy
     qs: {
       after: args.after.value,
-      page_size: args.pageSize.value // eslint-disable-line camelcase
+      page_size: args.pageSize.value, // eslint-disable-line camelcase
+      deleted: args.deleted.value
     }
   };