Documented stories list on API

Signed-off-by: David Saradini <david.saradini@me.com>
PDF generation working...

Signed-off-by: David Saradini <david.saradini@me.com>
Added doc, added tests for easy_import, added print_story test

Signed-off-by: David Saradini <david.saradini@me.com>