Fixed missing import of Collection class
Fixed missing import of Collection class

imagina/asgardcms-bcrud,deslittle/crud,fede91it/crud,tabacitu/crud,fede91it/crud,Laravel-Backpack/crud,Laravel-Backpack/crud,deslittle/crud,deslittle/crud,Laravel-Backpack/crud,fede91it/crud,fede91it/crud,Laravel-Backpack/crud,deslittle/crud,imagina/asgardcms-bcrud