New givecash/banking user commands

[mwerte]

/showcash <charname> <code>
show the cash balance for <charname> with the <code> set using /setcashcode

you typed the wrong command to enter.

It's good to see that these are disabled by default. And please make it so that it give the name and amount whenever cash is withdrawn.

Also the rules need updated to punish abuse of this. Maybe something like:
"Taking cash off of a character without the owner's consent is punishable by having the cash taken from your character and returned and up to a 7 day stay in Bastille."

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