Update commande.class.php

research additionnal models numbering in additional modules folders
Update propal.class.php

research additionnal models numbering in additional modules folders
Update modules_propale.php

don't display specific number of version
Update modules_commande.php

don't display specific version
made change on all the modules_element definition
Merge pull request #1641 from defrance69/patch-17

Patch 17