Fix fs.GetFullPath and fs.FindPreviousID forwarding
Fix fs.GetFullPath and fs.FindPreviousID forwarding

Use this.GetInode(idx) to get metadata such as filename and size.
Use this.inodes to navigate about the filesystem graph

copy/v86,copy/v86,copy/v86,copy/v86,copy/v86,copy/v86,copy/v86