Fix asumed 'id' as primary key name (#578)
Fix asumed 'id' as primary key name (#578)

It was assuming 'id' as primary key name
Laravel-Backpack/crud,fede91it/crud,Laravel-Backpack/crud,fede91it/crud,fede91it/crud,Laravel-Backpack/crud,Laravel-Backpack/crud,fede91it/crud