* [#1180] Frequent SbS synchronization restarting
- Processing blocks with SbS split into preparation and processing functions, which can be called repeatedly.
- Refactored other parts of the synchronization mechanism
- Closes#1180
- This also partly solves #1137
* Update .gitignore
* Update LINCENSE documentation
* [#1177] Checkpoints update
* Fix Ktlint warning