v1.0.43: Dev to Main (#42)

* try fixing race

* Revert "try fixing race"

This reverts commit 02ff901eaa1f51d4c484e1377f4487c779fdc346.

* using lock for set child and get child

* using locks only for set child and get child

* fix nil mu

* fix delete

* using locks to set attribute of node

* fix memdb tests

* tracking channel of child changes

* removed process lazy redundant

* fix nil check

* Fix get watch bug

* go fmt

* some minor fixes

* merge main

* fix go mod

* fix go mod

* some minor fixes

* some minor fixes

* fmt

* some fixes