Use "," as sed delimiter instead of "/"

module_args can contain a "/" in the base64 encoded API key. E.g. "mode=client try_first_pass id=12345 key=abcdef0123456789/+aaaaaaaaa=". Use a different delimiter that does not occur in the replacement.
Merge pull request #2 from pmeulen/master

Use "," as sed delimiter instead of "/"