Version 3.1.1

Additions

• Allow multiple models to be returned in ToModel. All will be flushed now.
• Allow different types of models to be saved in batches. Each ToModel can return a different kind of model and will be saved in correct table.
• Fill timestamps columns on batch inserts too

Read more about Laravel Excel 3.1 on our blog: https://medium.com/maatwebsite/introducing-laravel-excel-3-1-e478502bf92e