Fix lot info separation on shipment docs

New : Displays the expense report author accounting account

Add spaces to lot info separation.
Use implode params according PHP doc.

validated by error.

Conflicts:
	htdocs/compta/facture/class/facture.class.php
	htdocs/societe/soc.php

duplicate code

Fix verify of elephant code model for services

Fix: explode array result is 0,1,2 and not 1,2,3