Package.json: Update dependencies to work with Node v0.5.9.  Nodeunit 0.5.5 still doesn't work with Node v.5.10 because of process.ARGV deprecation.
Package.json: Update dependencies to work with Node v0.5.9.  Nodeunit 0.5.5 still doesn't work with Node v.5.10 because of process.ARGV deprecation.

ryan-roemer/node-sunny,balderdashy/node-sunny,ryan-roemer/node-sunny,balderdashy/node-sunny