Update tool.py: replace print with click.echo

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Update tool.py: remove some comments

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Remove tests folder

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Update tool.py: add click arguments

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
update setup.py: remove 'nose' package from 'install_requirements'

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>