/**
* Adds an edition to the project
*
* @param string $e_name
*
* @return TBGEdition
*/
public function addEdition($e_name)
{
$this->_editions = null;
$edition = new TBGEdition();
$edition->setName($e_name);
$edition->setProject($this);
$edition->save();
return $edition;
}
