Only updating when entries actually change.
Refactoring grant and revoke membership methods. Work is done by add_to_group(group_name) and remove_from_group(group_name) .
Now always adding a member to their own group.
Added handling of members that are missing the paid_until information . Added configuration documentation

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rename : members2accounts/test/test_members.json => members2accounts/test/test_members-2.json
Added tag r1 for changeset 11dfa677b700