Add APIs:tar_in_opts, chmod, chown, lchown, du, file; fix mount-options call
Adjust compress as optional argument
Add APIs: file_architecture, filesize, stat, lstat, lstatlist
Merge pull request #1633 from shi2wei3/file_dir_APIs

Add APIs:tar_in_opts, chmod, chown, lchown, du, file; fix mount-options ...
fix conflicts
Merge pull request #1636 from shi2wei3/file_dir_APIs_2

Add APIs: file_architecture, filesize, stat, lstat, lstatlist