get started on async functionality#157

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crcn wants to merge 4 commits intomasterfrom

Commits on Jun 23, 2019

get started on async functionality
crcn
committed

Commits on Jun 29, 2019

convert all operation tests to async
crcn
committed

Commits on Jul 21, 2019

prettyfy
crcn
committed

Commits on Sep 9, 2019

cleanup
crcn
committed