Changed helper method naming.

So apparently I had the wrong idea about the __all__ setting.
Removed that and chagned my helper methods with an
underscore prefix.

Signed-off-by: Ika Belerma <ika.belerma@gmail.com>
Simple formatting fixes to keyword documentation.

Signed-off-by: Ika Belerma <ika.belerma@gmail.com>