sub commands: help, add, remove, list, add-channel, remove-channel, list-channel
run sub command with / ban [subcommand]
show help message of sub commands by / ban help [subcommand]
show current message with / ban help
sub commands: help, add, append, remove, list, search, show, ignoreChannel, unignoreChannel, listIgnoreChannel
run sub command with / bind [subcommand]
show help message of sub commands by / bind help [subcommand]
show current message with / bind help