PS: Make py-PS interoperable with go-PS (#1790)
PS: Make py-PS interoperable with go-PS (#1790)

Fixes #1785
Oncilla/scion,klausman/scion,Oncilla/scion,netsec-ethz/scion,klausman/scion,klausman/scion,netsec-ethz/scion,Oncilla/scion,netsec-ethz/scion,netsec-ethz/scion,klausman/scion,klausman/scion,Oncilla/scion