Adding Web support

[Nico04]

This is the best document saver package, unfortunately it doesn't look maintained anymore ?
If it is, adding a simple Web support would be awesome.
Like utopia_save_file or simple_file_saver for instance.

[Nico04]

I've added a basic support for web if someone is interested :
https://github.com/Nico04/document_file_save_plus