Clint is incorporated with everything you need in creating a CLI. It supports colors, awesome nest-able indentation context manager, supports custom email-style quotes, has an awesome Column printer with optional auto-expanding columns and so on.

Also checkout Knack

sed -i -e 's/\r$//' scriptname.sh

Create README template with a brief application usage description for the end-user.

Each of your open tabs is mapped to a folder.