Make sure unicode params don't break logging in modules

lib/ansible/module_utils/basic.py

@@ -780,6 +780,9 @@ class AnsibleModule(object):
             else:
                 found = False
                 for filter in filter_re:
+                    if isinstance(self.params[param], unicode):
+                        m = filter.match(self.params[param])
+                    else:
                         m = filter.match(str(self.params[param]))
                     if m:
                         d = m.groupdict()