Commit ID: 0018
Purpose: updating code and committing bug fixes

Additions:-
Token: constructor Token(String)
Token: var ts, typeof final String
Token: toString override, returns ts

Deletions:-
None

Changes:-
Token: Changed enum types from [Black,White,Empty] to meet new
constructor requirement. Class now reads [Black("B"),White("W"),Empty("
")]

Bug Fixes:-
TestToken: All 3 tests in TestToken test class now run successfully.