* Add helpers to covert between sdk types
* Add distribute-spl-tokens to args and arg-parsing
* Build spl-token transfer-checked instructions
* Check spl-token balances properly
* Add display handling to support spl-token
* Small refactor to allow failures in allocation iter
* Use Associated Token Account for spl-token distributions
* Add spl token support to balances command
* Update readme
* Add spl-token tests
* Rename spl-tokens file
* Move a couple more things out of commands
* Stop requiring lockup_date heading for non-stake distributions
* Use epsilon for allocation retention