Merge pull request #9 from davidtsuji/master

refactor all the things
git ignore debug output
added .npmignore
Added awesome contributor
Merge branch 'master' of https://github.com/garrows/dnssearch
Merge pull request #10 from davidtsuji/master

outputs the help if no args are supplied
Merge branch 'master' of https://github.com/garrows/dnssearch