Update 5.30.1

New: CourseActivity.HasPreviousActivity and CourseActivity.HasNextActivity.

New: When CollectionDefinition.EditorLines is set to zero the control height is set to auto-height.

Update: base-3.2.css styles updated for collection, object and method views.

Update: Defintion Inspector styling updated to make it easier to find properties and methods.

Update: Validation on credit card numbers.

Fix: A property of type file that is relative and can be uploaded was clearing the property when no new file selected.

Fix: Submit and Save returning incorrect values.