Example:

m - minutes
h - hours
d - days

usage: @gepard_block_nick <duration> <duration_type m/h/d> \"<char name>\" <reason>
@gepard_block_nick 5 m "Functor" Cheater

usage: @gepard_block_account_id <duration> <duration_type m/h/d> <account ID> <reason>
@gepard_block_account_id 5 d 2000001 Cheater

usage: @gepard_block_unique_id <duration> <duration_type m/h/d> <unique ID> <reason>
@gepard_block_unique_id 7 h 2343543253 Cheater

usage: @gepard_unblock_nick <char name>
@gepard_unblock_nick "Functor"

usage: @gepard_unblock_account_id <account ID>
@gepard_unblock_account_id 2000001

usage: @gepard_unblock_unique_id <unique ID>
@gepard_unblock_unique_id 2343543253