Merge branch 'master' of github.com:tjguk/winsys

Conflicts:
	winsys/fs.py
Merge branch 'master' of github.com:tjguk/winsys

Conflicts:
	winsys/fs.py
Merge branch 'master' of github.com:tjguk/winsys
Fix an issue where a constant of value 0 wasn't returning its own name