Merge pull request #3 from BaBuDe/master

(bug) fix typo in circle.yml
(bug) fix carolyn's typo
Merge pull request #4 from andrewzey/master

(bug) fix carolyn's typo
(bug) fix badges in README
Merge pull request #5 from andrewzey/master

(bug) fix badges in README
(feat) update circle.yml to do continuous deployment and add test function