"Separate Work": is there any "Separate Work" apart from (i) (system/runtime), that
isn't currently covered by the rest of the concepts?
Namely: (ii) a work that is separate from and independent of a particular Covered
 Work and is not by its nature an extension or enhancement of the Covered Work.

Signed-off-by: Engel Nyst <engel.nyst@gmail.com>