Add strict argument validation

Signed-off-by: Severen Redwood <severen.redwood@gmail.com>
Remove specific versions for development gems

Signed-off-by: Severen Redwood <severen.redwood@gmail.com>
Merge 'remove' command with 'uninstall' command

Signed-off-by: Severen Redwood <severen.redwood@gmail.com>