Make it compatible with current cutomer.gender and customer.type choices

Author: Maks3w

README.md

@@ -91,8 +91,8 @@ $customerAddress->address_addition = "Cerca de la plaza Santa Ana"; // Address a
 $customer = new stdClass();
 $customer->id = "1618";                                                                               // Customer ID.
 $customer->email = "dev@aplazame.com";                                                                // The customer email.
-$customer->type = 'existing';                                                                         // Customer type. Other options are: 'guest' and 'new'.
-$customer->gender = 'unknown';                                                                        // Customer gender. Other options are: 'male', 'female'and 'gender_not_aplicable'.
+$customer->type = 'e';                                                                                // Customer type, the choices are g:guest, n:new, e:existing.
+$customer->gender = 0;                                                                                // Customer gender, the choices are 0: not known, 1: male, 2:female, 3: not applicable.
 $customer->first_name = "John";                                                                       // Customer first name.
 $customer->last_name = "Coltrane";                                                                    // Customer last name.
 $customer->birthday = Aplazame\Serializer\Date::fromDateTime(new DateTime("1990-08-21 13:56:45"));    // Customer birthday.