setKeyName in Eloquent/Model: Set the primary key for the model.
Add ip helper functions to Request class
Merge pull request #5702 from driesvints/feature/add-ip-helper-functions

Add ip helper functions to the Request class
Merge pull request #5701 from Volicon/4.2

setKeyName in Eloquent/Model: Set the primary key for the model.
Merge branch '4.2'