261 replace jest with native node test runner (#269)

259 update dependencies (#263)

* Updated dependencies

* Updated copyright year

250 new decorator standard (#257)

updated error message and changelog (#245)

Updated README (#241)

bugfix #236 (#237)

Updated dependencies (#234)

linting, dependencies, @OverRide messaging (#230)

Merge pull request #227 from final-hill:feature-iff-225

Implemented `iff` function

Updated and audited dependencies (#222)