Add Account spec
Add sweep_account link to BankAccount resource
Add bulk credit to sweep account feature
Remove transfers link
Spec Account and Settlement resources. Update bulk credit feature.
Create Settlements on POST to account settlements
Add credits and reversals links to Settlements
Add reversals and refunds links to Accounts
Add type to Account. Remove deposit_account link from Customer.
Remove type from Account
Add can_debit and can_credit fields to Account
POST settlements with no destination should 400
Use source instead
More settlement scenarios. Cleanup.
Fix settlement reversals scenarios
Add settlement scenario account insufficient funds
More descriptive Accounts description
Fix bulk credit feature
Fix some errors
Edit create customer step