* Add some code for special local testing
* Add comment to store_account_and_update_capitalization
* Simplify account.rent_epoch handling for sysvar rent
* Introduce *_for_test functions
* Add deprecation messages to existing api
* Pass pubkey in to account-decoder for sysvars
* Decode sysvar accounts
* Decode config accounts; move validator-info lower
* Decode stake accounts
* Review comments
* Stringify any account lamports and epochs that can be set to u64::MAX