v5.7.1

Merge branch '5.6' into 5.7

Laravel 5.7 Compatible

Merge pull request #567 from yajra/patch-57

Add support for Laravel 5.7

v5.6.10

Allow sub-select to be iterable to accept array and collection (#540)

v5.6.9: Can set class attribute in array. (#521)

In case of you want to add class by condition.

```
Form::text('name', null, ['class' => [
    'form-control-,
    $error ? 'is-invalid' : '',
]]);
```

v5.6.8: Add range, month, week. (#520)

* Added range, month, week.

* Added URL test.

* Removed duplicate function testFormFile.

v5.6.7

Update to PHPUnit 7.1 (#511)

v5.6.6

Fix the issue where defaults has a higher priority then the attribute…

v5.5.4

Update composer.json

v5.6.5: Placeholder for select element not hidden anymore (#493) (#499)

* Placeholder for select element not hidden anymore (#493)

* Fix tests for placeholder select element without hidden attribue

v5.6.4: Placeholder for select element not hidden anymore (#493) (#499)

* Placeholder for select element not hidden anymore (#493)

* Fix tests for placeholder select element without hidden attribue