* Set up editor and client side delta handling
* Synchronize deltas on the server
* Document the client code, add more tests
* Implement delta on the server, use compact representation when transmitting changes
* Simplify transformation implementation and add documentation
* Add session and data tests
* Add more delta tests
* Clean up evaluator tests wait timeout
* Sync session data within LV client
* Add basic session UI
* Add operations for setting notebook and section name
* Update notebook and section name from the UI
* Some cleanup
* Return current data upon client registartion to avoid race conditions
* Small fixes
