Retrieves a specific sku @see http://developer.skroutz.gr/api/v3/sku/#retrieve-a-single-sku

Retrieves price history for a sku @see http://developer.skroutz.gr/api/v3/sku/#retrieve-a-skus-price-history

Retrieves products for a sku @see http://developer.skroutz.gr/api/v3/sku/#retrieve-an-skus-products

Retrieves reviews for a sku @see http://developer.skroutz.gr/api/v3/sku/#retrieve-an-skus-reviews

Retrieves similar skus @see http://developer.skroutz.gr/api/v3/sku/#retrieve-similar-skus

Retrieves specifications for a sku @see http://developer.skroutz.gr/api/v3/sku/#retrieve-an-skus-specifications