* Update stageloop.go
* Print
* Consider snapshot headers as parlia checkpoints
* Not fail after not loading snapshot
* Lazy snapshots
* Print number of validators
* More printing
* Use epoch instead of checkpoint interval
* Reduce logging
* Fix compilation
* Remove trace jump dest
* Fix lint
* Not store snapshots every epoch
* Separate snapshot for verification and finalisation
Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>
Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
