var DataStorage = require('data-storage')
var ds = new DataStorage()
ds.once('connect', function () {
  console.log('data-storage is now initialized')
})
ds.init()

DataStorage(settings)

{
  redisPort: 6379,
  redisHost: '127.0.0.1',
  redisUrl: '127.0.0.1:6379'  // if specified, redisPort and redisHost are ignored
}

DataStorage.prototype.set(key, value)
DataStorage.prototype.get(key, callback)
DataStorage.prototype.hset(hash, key, callback)
DataStorage.prototype.hget(hash, key, callback)
DataStorage.prototype.hkeys(hash, callback)