cleanup.
Now most data is stored in crdts
Fixed update function.
Fixed update function.
Fixed update function.
Fixed update function.
fixed to_json for groups.
Using generalized commands.
Added tests for to_json
Added basic gc commands.
Fixed loading behavior for ecrdts.
Fixed test for user and group state.
Fixed bug in group tests.
Added GC.
Fixed messages in gc server.
Added backup instruction.
Added backup instruction.
Added backup instruction.
Improved import.
Improved import.