Fix option comparison in case they are not in the same order

src/zc/buildout/buildout.py

@@ -1605,15 +1605,15 @@ class Options(UserDict.DictMixin):
         """Because __cmp__ calls cmp(self, other)
         and if self contains set instance, it fails.
         """
-        if isinstance(other, (UserDict.DictMixin, dict)):
-            for item_self, item_other in itertools.izip_longest(
-                                                            self.iteritems(),
-                                                            other.iteritems()):
-                if item_self != item_other:
-                    return False
-            return True
-        else:
+        try:
+            b = other.items()
+        except StandardError:
             return super(Options, self).__eq__(other)
+        # BBB: Note such sorting would not work with python3
+        a = self.items()
+        a.sort()
+        b.sort()
+        return a == b
 
 
 def _convert_bool(name, value):