Merge pull request #18 from sylvestre/master

PR #18: Add a missing quote (r=jwir3).
(No Ticket): Added Contributors section to README.md and added both lsblakk (for work testing checkiid to this point), and sylvestre (for patch submitted and tickets reported).
Issue #17: Remove example and replace with working version from README.md.
(No Issue): Remove trailing whitespace in README.md.
(No Issue): Add headers to individual sections of the README.md file.
In some case, currentInterfaceName can be null. Take that into account