TODO revision 1.1 
11.1SagcTo Do
21.1Sagc=====
31.1Sagcaddress all XXX
41.1Sagcimplement all fuse_opt
51.1Sagc
61.1SagcDone
71.1Sagc====
81.1Sagcstatvfs
91.1Sagcsync
101.1SagcWARNS=4
111.1Sagcaddress lint
121.1Sagcremove pn entries on unlink, rmdir, remove
131.1Sagcspecial directory handling in open()
141.1SagcFinish off manual page
15