Avoid resetting the mongo cache aggressively

Increase speed of mongofs when accessing small files multiple times, avoid making too many queries.

Fix handling of time change on files

v1.4.2

Version 1.4.2

Don't forget to force S_IFDIR on root

v1.4.1

Version 1.4.1

Add default root mode option

v1.4.0

Version 1.4.0

Better handling of the FS mount

v1.3.0

Version 1.3.0

Fix lock system

Complete re-write of the lock system, avoid previous "deadlocks"

v1.2.2

Fix unit tests and better packaging

v1.2.1

Better handle of root users and groups with the same name

v1.2.0

Add/fix access rights and ownership of files.
Clean cache after deleting a file.

Increase speed by a factor 10

Increase read/write speed, expected write speed on a local VM is ~10MB/s, read speed is ~50MB/s.
Fix problem to read large files.
Speed limitation is now mostly linked to fusepy, so further improvements will need to go from that side as improving MongoFS will only slightly improve the overall read/write speed.