Add unordered-equal from https://www.cs.northwestern.edu/academics/co…#42

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svspire wants to merge 3 commits intoOdonataResearchLLC:masterfrom

Commits on Mar 22, 2018

Add unordered-equal from https://www.cs.northwestern.edu/academics/courses/325/programs/cs325/lisp-unit.lisp
Shannon Spires
committed

Commits on Mar 23, 2018

Export unordered-equal
Shannon Spires
committed

Commits on Aug 9, 2018

Fix unordered-equal to pay attention to its :test argument.
Shannon Spires
committed