Fixed bugs:
CO: Fix detection of APCu on Performance page
CO: Cast id_cart to int to keep it in the SQL query
CO: Performance opt on scandir() usage
CO: Fix for MySQL error 1093 in generating the invoice number
CO: Fix misuse of getimagesize returned informations
CO: Fixed method Order::isVirtual
CO: PHP 7.1 Fatal error: operator not supported in DbQuery.php
CO: Fix multiple configuration entry for PERCENT_PRODUCT_OUT_OF_STOCK_EXPIRE
BO: Fixed category search in product association tab
BO: Fix date filter when entering BO
BO: Fixed product customization duplication
BO: Uploader helper multiple files undefined _max_files
BO: Orders amount currency fixed
BO: Remove synchronous javascript call in translations
FO: Reset country in address page after error
FO: Fix & optimize search::find queries
FO: Re-instate default id for product list
FO: Accessory product names are not the product name (Schema.org)
FO: Fix grid view payment methods on small devices