Implement size on UnixFilePath in terms of stat.
Store the runtime class corresponding to a Newspeak class in an unenumerated slot.
Match NS2Squeak and don't evaluate a Future on printString in NS2V8.
Store an Alien's peer in an unenumerated slot.
Store the runtime mixin corresponding to a Newspeak mixin in an unenumerated slot.
Remove dead conversion code.
Merge