Add langs & debug

htdocs/compta/bank/account.php

htdocs/compta/loan/card.php

htdocs/compta/loan/class/loan.class.php

htdocs/compta/loan/class/paymentloan.class.php

htdocs/compta/loan/document.php

htdocs/compta/loan/index.php

htdocs/compta/loan/payment/card.php

htdocs/compta/loan/payment/index.html

htdocs/compta/loan/payment/payment.php

htdocs/langs/en_US/admin.lang

htdocs/langs/en_US/loan.lang

htdocs/langs/fr_FR/admin.lang

htdocs/langs/fr_FR/loan.lang