Merge tag 'v3.13.7' into 3.13/master

This is the 3.13.7 stable release

Conflicts:
	Makefile
Merge tag 'v3.13.8' into 3.13/master

This is the 3.13.8 stable release

Conflicts:
	Makefile
Update exfat to b770ebd
Merge branch '3.13/exfat' into 3.13/master
Zen 3.13.x merged