* Centralised configuration of Wallet from command-line
* Added loading Wallet from environment variables
* Improved command-line handling of many commands
* Fixes problems with liquidator re-balancing.
* Fixes problems with group-balance-wallet, group-settle, serum-buy and serum-sell commands.
* Greatly increases the speed of buying and selling on Serum - the IOC order is now placed, cranked and settled in one transaction.
* Associated token accounts and OpenOrders accounts are automatically created as-needed.
Geoff Taylor