Increment version

Revert folder structure for PSR-4 compliance

Update version with proper tag

Use softDeletes on `inventory_stocks` and `inventory_stock_movements`…

… by default

Clarify variant method in documentation

Make sure to drop the foreign key before dropping the column

Small code doc updates

Added missing scope property to custom category model

Fixed tests namespace

Separated tests and placed transaction tests inside their own folder …

…and namespace