Get `nexusClient.getApp` working
Get `nexusClient.getApp` working

`request` will parse a JSON responsr for us, so we can save some logic there. We
also need to `JSON.stringify` the app data before we set it (and set the app
object, not the `null` we got from the cache) or else we get `'[object Object]'`
out later.

Singly/hallway,Singly/hallway