rev1 has a collection of errors as opposed to a single error

`curl https://api.balancedpayments.com/v1/bank_accounts      -u ak-test-PE0kAimMqYDGzebPIHUzYwuLUM86yCxP: -XPOST`

```json
{
  "status": "Bad Request",
  "category_code": "request",
  "additional": null,
  "status_code": 400,
  "description": "Missing required field [name] Your request id is OHM7aa10bdc53b911e3852602a1fe52a36c.",
  "category_type": "request",
  "_uris": {},
  "request_id": "OHM7aa10bdc53b911e3852602a1fe52a36c",
  "extras": {
    "name": "Missing required field [name]"
  }
}
```

`curl https://api.balancedpayments.com/bank_accounts      -u ak-test-PE0kAimMqYDGzebPIHUzYwuLUM86yCxP: -XPOST`

```json
{
  "errors": [
    {
      "status": "Bad Request",
      "category_code": "request",
      "additional": null,
      "status_code": 400,
      "category_type": "request",
      "extras": {
        "name": "Missing required field [name]"
      },
      "request_id": "OHM7fe1c74e53b911e3b62e02a1fe52a36c",
      "description": "Missing required field [name] Your request id is OHM7fe1c74e53b911e3b62e02a1fe52a36c."
    }
  ]
}
```