v5.0.2

[5.0.2] - 2020-10-13

A hacktoberfest release! 5 bugs fixed and two new contributors! 💪

It also includes an improvement in the contribution guidelines, and records of architectural decisions (ADRs).

Fixed

• [bug] isEmpty / isNotEmpty failing when passing an undefined value: thank you, @abraaoduarte for your first contribution!
• [bug] validate argument types of test(): thank you, @adico1 for your first contribution!
• [bug] raises() does not pass when throwing a non-primitive object
• [bug] toString() is not honored when printing objects
• [bug] cannot run testy binary using npx