Revision history for CRDT

0.0.4  2020-11-20T06:08:16Z
    - make required merge data required

0.0.3  2020-11-20T06:01:44Z
    - export()
    - merge exported data

0.0.2  2020-11-20T05:09:48Z
    - LWW-Element-Set

0.0.1  2020-11-19T19:42:48Z
    - Initial version
