Fix against SQL injection. Add phpunit to detect missing escapement.

htdocs/accountancy/class/accountingaccount.class.php

htdocs/accountancy/class/bookkeeping.class.php

htdocs/adherents/class/adherent.class.php

htdocs/adherents/class/adherent_type.class.php

htdocs/bookmarks/class/bookmark.class.php

htdocs/categories/class/categorie.class.php

htdocs/comm/action/class/actioncomm.class.php

htdocs/comm/mailing/class/mailing.class.php

htdocs/comm/propal/class/propal.class.php

htdocs/compta/bank/class/account.class.php

htdocs/compta/bank/class/paymentvarious.class.php

htdocs/compta/deplacement/class/deplacement.class.php

htdocs/compta/paiement/cheque/class/remisecheque.class.php

htdocs/compta/prelevement/class/bonprelevement.class.php

htdocs/contact/class/contact.class.php

htdocs/contrat/class/contrat.class.php

htdocs/core/class/commonobject.class.php

htdocs/core/class/events.class.php

htdocs/core/class/fiscalyear.class.php

htdocs/core/class/link.class.php