Fix .Shallow()#1

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ConradIrwin wants to merge 6 commits intoJustinTulloss:masterfrom

superhuman:master

Commits on Jan 5, 2017

Fix .Shallow()
ConradIrwin
committed

Commits on Feb 14, 2017

Adding original StatusCode to FirebaseError
ibash
committed

Commits on Feb 22, 2017

Adding ability to set auth on client after creation
ibash
committed

Commits on Mar 6, 2017

Fixing implementation of replacing auth param in firebase client
ibash
committed

Commits on Sep 18, 2017