Revert "Revert "hoon: zpgl -> zpld for consistency""
Revert "Revert "hoon: zpgl -> zpld for consistency""

This reverts commit 195d0c2fe38a539a526e5b9361e088058c14af0c.

urbit/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,jfranklin9000/urbit,jfranklin9000/urbit,urbit/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,jfranklin9000/urbit,jfranklin9000/urbit,jfranklin9000/urbit,jfranklin9000/urbit,urbit/urbit,jfranklin9000/urbit,ngzax/urbit