Better handling for EntityGroups world handling and more obvious initial example. Keep in mind that Worlds section should contain basic world names without any extra information.
Fixing issue where you would be able to place more item frames than allowed if you did it on edge of chunk
Added option to disable specific entity cleaning ether with /mfm clean or with auto clean feature. This allows you to have different behavior while auto clean mode is running vs manually performed command. You will get basic example of usage for DROPPED_ITEM type entity