- Update to version 1.4.0
* add squash_to_uid and squash_to_gid
* add squash_to_root mount option.
* honor option "volatile".
* when writing mode to xattr, create files with mode 0755.
* support ID mapping when using xattr permissions.
* allow opening not accessible but still referenced files.
* invalidate directory cache on create/rename.
* fix segfault if no mountpoint specified
* fix file_exists_at musl compatibility
* introduce extended attribute to override gid/uid/mode.
* support writing uid/gid/mode to an extended attribute.
* fix a memory leak, where inodes are maintained in memory
even if not needed.