ARedisRecord.php need fix 2 methods #22

1. populateRecord

   $record->setScenario('update');
   +$record->setIsNewRecord(false);
   $record->init();

2. getPrimaryKey

foreach($attribute as $field) {

• $pk[$field] = $this->{$attrubute};
• $pk[$field] = $this->{$field};
  }

P.S. I do not speak English