Minor update of aux script

extra/shutils/drei.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
+# See the file 'LICENSE' for copying permission
+
+# Stress test against Python3
+for i in $(find . -iname "*.py" | grep -v __init__); do python3 -c 'import '`echo $i | cut -d '.' -f 2 | cut -d '/' -f 2- | sed 's/\//./g'`''; done