Меню
/help - prints a help message
/coin - returns either heads or tails
/yesno - returns either yes or no
/number - returns a random number between boundaries
/list - returns a random item from a list
/seq - returns a password of N characters
/seqc - returns a password of N characters consisting of only digits and latins
/hex - returns N HEX bytes (2N characters long)
/uuid - returns a randomly generated Universal Unique Identifier