Pair davidthegreat,justincadburywong#4

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davidthegreat wants to merge 4 commits intobluemihai:masterfrom

davidthegreat:pair-davidthegreat,justincadburywong

Commits on May 3, 2016

initial commit, tested dog initialization of dog class
David & Justin Wong
committed
add methods to test, PASS
David & Justin Wong
committed
update class with attr accessors
David & Justin Wong
committed
update final test to pass a block
David & Justin Wong
committed