Update tool.py: add empty defaults to *-template=

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Update tool.py: --license-template default now 'mit'

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Update tools.py:  add '-p --private'

Signed-off-by: Michael LeCompte <michaelslec98@gmail.com>
Update tool.py: add list and delete command

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