Minor code refactoring and cleanup

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Change example installing to static method

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Alphabetically sort known formats

Requested by Darren <dazdaz@gmail.com>.

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Update version number and changelog

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Merge branch '3.9-maintenance'