- new framework to completely sync a data set across two machines
- slug name for classifications
- proxy utils to resolve references inside a data set without reloading
elments
- bugfixing in updating and merging
- fixed enrichment state which might have caused missing enrichment at
restarted mashups
- fixed ident handling that complete controll over idents is in data set
- refactored proxy resolving to proxy util in core
- better error handling
- improved data set handling for restarted sources