Added opening and closing of bank window
Added bank tab filtering
Added several bank ops
Added experimental BankInventory class

Gotta merge the 198 fix
Merge remote-tracking branch 'origin/master' into banks
Added loading of bank tabs
Fixed bank tab filtering bug
Added saving of bank tabs
Added bank gold management
Added bank item deposition
Added bank item withdrawing
Fixed gold being added to bank as item
Added bank checks
Merge remote-tracking branch 'origin/banks'