derby-charts v mongodb

gistfile1.sh

$ npm start

> social-data@0.0.0 start /Users/lefnire/Dropbox/Sites/personal/lever/social-data
> NODE_ENV=test node example/server.js

Error requiring server module from `/Users/lefnire/Dropbox/Sites/personal/lever/social-data/example/lib/server`

/Users/lefnire/Dropbox/Sites/personal/lever/social-data/example/node_modules/derby/lib/derby.server.js:43
      throw e;
            ^
TypeError: Cannot read property 'BSON' of undefined
    at /Users/lefnire/Dropbox/Sites/personal/lever/social-data/example/node_modules/connect-mongo/node_modules/mongodb/lib/mongodb/index.js:48:44
    at Array.forEach (native)
    at Object.<anonymous> (/Users/lefnire/Dropbox/Sites/personal/lever/social-data/example/node_modules/connect-mongo/node_modules/mongodb/lib/mongodb/index.js:26:25)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.require (module.js:362:17)
    at require (module.js:378:17)
    at Object.<anonymous> (/Users/lefnire/Dropbox/Sites/personal/lever/social-data/example/node_modules/connect-mongo/lib/connect-mongo.js:11:13)
npm ERR! social-data@0.0.0 start: `NODE_ENV=test node example/server.js`
npm ERR! `sh "-c" "NODE_ENV=test node example/server.js"` failed with 1
npm ERR! 
npm ERR! Failed at the social-data@0.0.0 start script.
npm ERR! This is most likely a problem with the social-data package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     NODE_ENV=test node example/server.js
npm ERR! You can get their info via:
npm ERR!     npm owner ls social-data
npm ERR! There is likely additional logging output above.

npm ERR! System Darwin 12.2.1
npm ERR! command "node" "/usr/local/bin/npm" "start"
npm ERR! cwd /Users/lefnire/Dropbox/Sites/personal/lever/social-data
npm ERR! node -v v0.8.11
npm ERR! npm -v 1.1.68
npm ERR! code ELIFECYCLE
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/lefnire/Dropbox/Sites/personal/lever/social-data/npm-debug.log
npm ERR! not ok code 0