Improved replication#116

Draft

gcask wants to merge 4 commits intodaid:masterfrom

gcask:improved-replication

Commits on May 21, 2021

Initial draft for reducing CPU usage on the server by having configuration values use a different method to check for changes.
daid
committed
Replication changes
gcask
committed

Commits on May 22, 2021

replication string support
gcask
committed

Commits on May 23, 2021

Addressing warnings, introducing Item::Settings
gcask
committed