| ⇢ | A | BookPriceProduct added | |
| ⇢ | A | BookPriceProductConv added | |
| ⇢ | A | Recommendation added |
| ⇢ | A | Client::serviceBookPriceProduct() added | |
| ⇢ | A | BookPriceProduct::__construct() added | |
| ⇢ | A | BookPriceProductConv::convert() added | |
| ⇢ | A | Recommendation::__construct() added |