Increased 'log' visibility

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>
Added support for % and specify only right to scrolls

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>
Removed commented code

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>
Refactor scrolling to stop using setInterval

Signed-off-by: Juan Martin Runge <jmrunge@gmail.com>