Changes:

• Implement #8: BungeeSafeguard now remembers at most 10 last known usernames of each user. As a result, you will now see the usernames (if known) of users in the output of /bungeesafeguard dump along with their UUIDs.
• Avoid triggering a bug of BungeeCord where the LoginEvent cannot be cancelled properly with null cancel reason.
• Add command /whitelist list to dump only the whitelist.
• Add command /blacklist list to dump only the blacklist.

This version includes functional updates and fix. Users can stay in v2.2-v2.5 safely, or update to v2.6 without any modification of configuration.