* RocksDB version bump
* Preserve cache on reverting the snapshot (#2488)
* Preserve cache on reverting the snapshot
* Renamed merge_with into replace_with
* Renamed and documented snapshotting methods
* Track dirty accounts in the state (#2461)
* State to track dirty accounts
* Removed clone_for_snapshot
* Renaming stuff
* Documentation and other minor fixes
* Replaced MaybeAccount with Option
* Adjustable stack size for EVM (#2483)
* stack size for io workers & evm threshold
* rust way to remember stack size
* right value
* 24kb size
* some stack reduction
* Fixed overflow panic in handshake_panic (#2495)