Fixed typo in docstring for Viewport::vScroll
Merge pull request #79 from kenvandine/typo

Fixed typo in docstring for Viewport::vScroll
Adjusting README to show how to avoid issue #80

Special thanks to @ricardodovalle for helping us on it.

Signed-off-by: Rodrigo Oliveira <rodrigo@deadbodyoutline.com>
Merge pull request #81 from rodrigogolive/macos_build

Adjusting README to show how to avoid issue #80