Commands:
s!search - search for crystal shards
s!bal - see your shard balance
s!give - give shards to someone
s!daily - claim 100 daily shards
s!shop - view the item shop
s!buy - spend shards to get an item
s!inv - view your inventory
s!mine - improved s!search (requires pickaxe item)
s!harvest - essentially s!daily twice (requires cluster item)
s!lottery - enter the lottery (requires lottery ticket item)