Implemented getLeadSinger 2D array
Implemented getting 2D array for HASSONG
Merge branch 'master' of https://github.com/ellina-s/cs304 into ellina
Implemented Customer Registration and added test for it
Refactored Customer Registration and test for it
Implemented Customer Authentication function. Added tests
Added more tests for authentication and refactored some code
Split Purchase transaction into steps
Merge pull request #14 from ellina-s/ellina

Ellina