more details about the plugin usage and what it is designed for

More informations about the dd
Update README.md
Changed node-iconv to iconv-lite to get around issues with node 0.11 and node-gyp
Fixed call to iconv-lite. Confirmed with tests.
Merge pull request #4 from gogson/master

Looks good. Thanks.
Merge pull request #5 from zabracks/master

Changed node-iconv to iconv-lite to get around issues with node 0.11 and...