Bug-612: ietf-stateful07 serializers - improved code defense.

-check mandatory arguments
-set zeros for missing arguments

Change-Id: Iad53dba351aaa7080b660644562782d95bf6bb16
Signed-off-by: Milos Fabian <milfabia@cisco.com>
Bug-612: fix segment-routing serializers

Change-Id: I1013c09e62c48a4276d6dadd9cd7029e10c9d7a2
Signed-off-by: Milos Fabian <milfabia@cisco.com>
Merge "Bug-612: ietf-stateful07 serializers - improved code defense."
Merge "Bug-612: fix segment-routing serializers"