hoodiehq/hoodie.js — pull request #276 by lupomontero (2014-04-03 15:38:38+00:00)
Title: options in account.signIn() should default to empty object

`account.signIn()` is sometimes invoked without passing it an `options` object (as the 3rd argument), so it should default to an empty object to avoid getting a `ReferenceError`.