Update with the origin#2

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olgavzhe wants to merge 4 commits intoBinogi:binogi-workaroundsfrom

ahsankhatri:master

Commits on Sep 18, 2019

Fix notice when listing non-existant documents (#13)

edruid
authored and
ahsankhatri
committed
Store http response code in UnhandledRequestError (#12)

p-blomberg
authored and
ahsankhatri
committed

Commits on Apr 4, 2020

Fill class @method phpdoc to avoid lint warnings using FirestoreClient (#17)
mowcixo
authored
Add a few tests for FirestoreDocument and fix odd behaviour of getCreatedTime (#15)
edruid
authored