Try to log in more than once breaks it

[AustinMahan]

[PSN] :: Need to login - no auth token found
[PSN] :: Need to fetch access tokens - tokens expired
[PSN] :: Need to fetch userdata - no region or username available
[PSN] :: Making OAuth Request...
[PSN] :: Logging in...
[PSN] :: Following login...
url.js:79
throw new TypeError('Parameter "url" must be a string, not ' + typeof url);
^

TypeError: Parameter "url" must be a string, not undefined

[cubehouse]

Hi,
I'll accept a valid pull request if anyone has a fix for this, but otherwise I'm not currently able to investigate this properly.