code: public Transaction createWithToken( String token, Integer amount, String currency, String description ) {
      return this.createWithTokenAndFee( token, amount, currency, description, null );
    }
docs: Executes a {@link Transaction} with token for the given amount in the given currency.
  @param token
  Token generated by PAYMILL Bridge, which represents a credit card or direct debit.
  @param amount
  Amount (in cents) which will be charged.
  @param currency
  ISO 4217 formatted currency code.
  @param description
  A short description for the transaction.
  @return {@link Transaction} object indicating whether a the call was successful or not.