Refactored equalWithinVariance to use it with any custom variance#255

UlyanaAndrukhiv wants to merge 2 commits intoUlianaAndrukhiv/211-update-fee-ratesonflow/FlowALP:UlianaAndrukhiv/211-update-fee-ratesfrom

UlianaAndrukhiv/equalWithinVariance-refactoringonflow/FlowALP:UlianaAndrukhiv/equalWithinVariance-refactoringCopy head branch name to clipboard