[UWMOODLE-818] Updating CSV print to encode strings in the CSV to include encapsulating double quotes, as well as converting single double quotes to double double quotes.

[UWMOODLE-818] Updating of plugin to include a CLI interface for the site report, so that there is no limitation on the php memory limit.

[UWMOODLE-818] Updating of site report so that, aggregates of module types are presented instead of a row for every course module