update unit test, npm packages, clean#47

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aniaw wants to merge 3 commits intoexercise1from

Commits on Feb 8, 2017

update unit test, npm packages, clean
aniaw
committed

Commits on Oct 13, 2017

readme fix
kamil
committed

Commits on Nov 13, 2017

Merge pull request #75 from kamilsutkowski/exercise1-fix
tborowy
authored