Use custom comparator when comparing values, don't assume deep equality

[turbolent]

Description

Values (and keys) in arrays and maps may not always be deep equal in memory, so use a custom comparator to determine equality

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• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
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[fxamacker]

LGTM!