updates +der encoding to produce +octs, base-64 encoding to accept octs
updates +der encoding to produce +octs, base-64 encoding to accept octs

ngzax/urbit,ngzax/urbit,ngzax/urbit,jfranklin9000/urbit,jfranklin9000/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,belisarius222/arvo,urbit/urbit,ngzax/urbit,joemfb/arvo,urbit/urbit,jfranklin9000/urbit,belisarius222/arvo,jfranklin9000/urbit,jfranklin9000/urbit,joemfb/arvo,ngzax/urbit,jfranklin9000/urbit,urbit/urbit,jfranklin9000/urbit,ngzax/urbit