fix #220

Author: abuzuhri

Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Orders/BuyerCustomizedInfoDetail.cs

@@ -31,6 +31,10 @@ public partial class BuyerCustomizedInfoDetail : IEquatable<BuyerCustomizedInfoD
         {
             this.CustomizedURL = CustomizedURL;
         }
+        public BuyerCustomizedInfoDetail()
+        {
+            this.CustomizedURL = default(string);
+        }
 
         /// <summary>
         /// The location of a zip file containing Amazon Custom data.

Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Orders/BuyerInfo.cs

@@ -29,6 +29,14 @@ public partial class BuyerInfo : IEquatable<BuyerInfo>, IValidatableObject
             this.BuyerTaxInfo = buyerTaxInfo;
             this.PurchaseOrderNumber = purchaseOrderNumber;
         }
+        public BuyerInfo()
+        {
+            this.BuyerEmail = default(string);
+            this.BuyerName = default(string);
+            this.BuyerCounty = default(string);
+            this.BuyerTaxInfo = default(BuyerTaxInfo);
+            this.PurchaseOrderNumber = default(string);
+        }
 
         /// <summary>
         /// The anonymized email address of the buyer.