Fix examples in the Readme to match new logic

README.md

@@ -50,9 +50,9 @@ Below are a few simple examples:
 
 ```go
 params := &stripe.CustomerParams{
-	Balance: -123,
-	Desc:  "Stripe Developer",
-	Email: "[email protected]",
+	Balance: stripe.Int64(-123),
+	Description:  stripe.String("Stripe Developer"),
+	Email: stripe.String("[email protected]"),
 }
 params.SetSource("tok_1234")
 
@@ -62,7 +62,7 @@ customer, err := customer.New(params)
 ### Charges
 
 ```go
-params := &stripe.ChargeListParams{Customer: customer.ID}
+params := &stripe.ChargeListParams{Customer: stripe.String(customer.ID)}
 params.Filters.AddFilter("include[]", "", "total_count")
 
 // set this so you can easily retry your request in case of a timeout
@@ -103,17 +103,19 @@ of a connected account, one that uses the `Stripe-Account` header containing an
 account's ID, and one that uses the account's keys. Usually the former is the
 recommended approach. [See the documentation for more information][connect].
 
-To use the `Stripe-Account` approach, pass the `StripeAccount` field to a
-`ListParams` or `Params` class. For example:
+To use the `Stripe-Account` approach, use `SetStripeAccount()` on a `ListParams`
+or `Params` class. For example:
 
 ```go
 // For a list request
-listParams := &stripe.ChargeListParams{StripeAccount: merchantID}
+listParams := &stripe.ChargeListParams{}
+listParams.SetStripeAccount("acct_123")
 ```
 
 ```go
 // For any other kind of request
-params := &stripe.CustomerParams{StripeAccount: merchantID}
+params := &stripe.CustomerParams{}
+params.SetStripeAccount("acct_123")
 ```
 
 To use a key, pass it to `API`'s `Init` function: