Changed error return code to -ErrorCodes.ENOENT() in all methods in PeergosFS.
Changed error return code to -ErrorCodes.ENOENT() in all methods in PeergosFS.

Peergos/Peergos,ianopolous/Peergos,Peergos/Peergos,ianopolous/Peergos,ianopolous/Peergos,Peergos/Peergos