Convert Hash to HashWithIndifferentAccess on return#20

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amasses wants to merge 3 commits intotombenner:masterfrom amasses:add_indifferent_access

+9-8

Commits on Feb 7, 2017

Added with_indifferent_access to return of #deserialize to convert to ActiveSupport::HashWithIndifferentAccess
amasses
committed

Commits on Oct 29, 2020

Updated serializing to use JSON.dump and JSON.load instead of the ActiveSupport JSON encoder (which does weird escaping of ampersands etc)
amasses
committed
Updating specs
amasses
committed