Changelog:

1) Add ServiceDesk helper
2) Changed the closed-loop logic and made Remedy, ServiceNow and ServiceDesk closed-loop.
3) Fixed a bug with comparing user-entered sites to monitor vs Nexpose sites.
4) Added filtering by asset riskscore.
5) Added filtering by tags.
6) Fixed a bug that when trying to run on all sites (by entering no site ids in the config) caused an error.
7) Added option to turn off closed-loop ticketing (leaving tickets open for a user to close).
8) Added filtering by vulnerability categories.
9) Added defensive code in some helpers for invalid configs.