Bug fix - $modx->sendmail() cc and bcc

$param[subject] = subject
$param[sendto] = to@example.com
$param[cc]         = cc@example.com
$param[bcc]       = bcc@example.com
$modx->sendmail($param,$message)
Fix - $modx->sendmail() $param['from']

$param[from] = myname<name@example.com>
$modx->sendmail($param,$message)