Originally reported by: **Philippe Lagadec (Bitbucket: [decalage](http://bitbucket.org/decalage), GitHub: [decalage2](http://github.com/decalage2))** --- add helper methods to iterate dir entries and streams: - iter_direntries => name, path, direntry - iter_streams => name, path, direntry - iter_stream_data => name, path, direntry, reading each stream as a string --- - Bitbucket: https://bitbucket.org/decalage/olefileio_pl/issue/11
