Add binary tree implementation with test#725

Merged

yanglbme merged 2 commits intoTheAlgorithms:Developmentfrom

RicardoGuevara:Development

Mar 25, 2019

Commits on Mar 24, 2019

Add binary tree implementation with test
RicardoGuevara
committed

Commits on Mar 25, 2019

made requested changes for binary tree implementation
RicardoGuevara
committed