* nearlyEqual with absolute and relative tolerances
* Format
* nearlyEqual for bigNumber
* Added skip for NaN
* Reduce diff a bit
* Issue with examples in jsdcos
* Updated all calls for nearlyEqual
* Fixed failing tests
* Changed epsilon to relTol, absTol
* Changed references to epsilon in docs and tests
* Added warning for config.epsilon
* Fix warning in zeta.test
* Added config test
* Added sinon to test console.warn
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Co-authored-by: Jos de Jong <wjosdejong@gmail.com>