add status code to exception message

Author: ajrice6713

src/main/java/com/bandwidth/sdk/numbers/NumbersClientImpl.java

@@ -135,7 +135,7 @@ private CompletableFuture<OrdersResponse> getOrdersByCustomerOrderIdAsync(String
                   if (resp.getStatusCode() == 204) {
                      throw new NumbersApiException("No orders found");
                   }
-                  throw new NumbersApiException("Error fetching orders: " + responseBodyString);
+                  throw new NumbersApiException("Error fetching orders. Response body: " + responseBodyString + "; Status code: " + resp.getStatusCode());
                }
                return NumbersSerde.deserialize(responseBodyString, OrdersResponse.class);
             });