Add some no-cache pragmas when we spit out the logfile. I was having

some trouble with old logs getting cached in the browser.

www/spewlogfile.php3

@@ -55,6 +55,9 @@ if (! TBExptLogFile($pid, $eid)) {
 }
 
 header("Content-Type: text/plain");
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Cache-Control: no-cache, must-revalidate");
+header("Pragma: no-cache");
 ignore_user_abort(0);
 
 $retval = 0;