Add UltraSoftcore command signature
Merge branch 'dev' into usc-command
Add argument parsing and permission check for !UltraSoftcore
Merge branch 'dev' into usc-command
Add USC info to config
Add config updates to !UltraSoftcore command
Support calling without arguments in !UltraSoftcore argument parsing
Add !usc alias to default config
Merge branch 'dev' into usc-command
Implement stopping the server for USC preparations
Merge branch 'dev' into usc-command
Implement switching world and disabling Overviewer
Merge branch 'dev' into usc-command
Don't chatsync from IRC to Minecraft during a USC
Force chatsync_highlight off for all players during USC
Show a special status in IRC topic during USC
Save special status topic in core.state