Added isKey method to Preferences#4441

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me-no-dev merged 6 commits intoespressif:masterfrom

lbernstone:Prefs_isKey

Nov 3, 2020

Commits on Oct 24, 2020

Added isKey method to Preferences
lbernstone
committed

Commits on Oct 26, 2020

Changed to assert against ESP_OK
lbernstone
committed