Adding exception source file and line in digest message

error.inc.php

@@ -22,6 +22,10 @@ function _gamectl_exception_handler($e)
   //let's filter out too stack traces which are printed anyway
   foreach($lines as $idx => $line)
   {
+    if($idx === 0)
+    {
+      $line = 'Exception in ' . $e->getFile() . ':' . $e->getLine() . "\n" . $line; 
+    }
     if($idx > 0 && preg_match('~^#\d+\s+~', $line))
       continue;
     $digest .= $line . "\n";