PageArg class skeleton.
Basic properties and methods.
Set default capability.
Refactoring variables.
Added getView().
Property assignments.
Removed slug property.
Removed removePage().
Renamed method.
Removed getSlug().
Added properties from argument.
Added title to view data.
Added text domain to properties.
Added text domain to Page.
Added text domain to Page.
Fixed display().
Cleaned up function call.
Refactored.
Refactored.
Refactored.