Minor refactoring together with a wider support for html entities

lib/core/decorators.py

@@ -1,5 +1,16 @@
-# Reference: http://code.activestate.com/recipes/325205-cache-decorator-in-python-24/
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2012 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
 def cachedmethod(f, cache={}):
+    """
+    Method with a cached content
+
+    Reference: http://code.activestate.com/recipes/325205-cache-decorator-in-python-24/
+    """
     def _(*args, **kwargs):
         key = (f, tuple(args), frozenset(kwargs.items()))
         if key not in cache: