Made some modifications to the Card class.
Merge branch 'develop' of https://github.com/ericslee/mdo into develop
updated json to be valid format
Merge branch 'develop' of github.com:ericslee/mdo into feature/card-drawing
Added semantic library back.
Merge branch 'develop' of https://github.com/ericslee/mdo into develop
Merge branch 'develop' of github.com:ericslee/mdo into feature/card-drawing