fix dict-merge utility

Signed-off-by: Jan Dvořák <mordae@anilinux.org>
fix relaying of buffered current state

Signed-off-by: Jan Dvořák <mordae@anilinux.org>
greatly reworked storage subsystem

Signed-off-by: Jan Dvořák <mordae@anilinux.org>
use λ to shorten some parts

Signed-off-by: Jan Dvořák <mordae@anilinux.org>