Add 'GENERATE/ACCEPT FROM datetime TO datetime' to password options

   /* empty */ { } 

 | GENERATE FROM datetime ';' password_item_params { this_p_item->genfrom = $3; }

 | GENERATE TO datetime ';' password_item_params { this_p_item->gento = $3; }

 | GENERATE FROM datetime TO datetime ';' password_item_params { this_p_item->genfrom = $3; this_p_item->gento = $5; }

 | ACCEPT FROM datetime ';' password_item_params { this_p_item->accfrom = $3; }

 | ACCEPT TO datetime ';' password_item_params { this_p_item->accto = $3; }

 | ACCEPT FROM datetime TO datetime ';' password_item_params { this_p_item->accfrom = $3; this_p_item->accto = $5; }

 | ID expr ';' password_item_params { this_p_item->id = $2; if ($2 <= 0) cf_error("Password ID has to be greated than zero."); }

 ;