First integration of kvstore.
Added compression to KvStoreBlockHandler
Added encryption to kvstore.
Can not test because zip.raes needs older bouncy castle version
Added kvstore hashlist handler.
Handling backup parts with KvStore too. Space overhead problem, but otherwise fine.
Refactored random access handling into one class which can read and write.
Added end marker and truncation of kvstore for checkpointing
Implemented checkpointing with kvstores
Checkpointing with encryption works. Speed improvement with bigger blocks.
Improved performance of kvstore
Refactoring block cache to be memory bound
Using futures to encrypt data multi threaded
Deleting all truevfs related stuff.
Deleting all old Zip handlers
More cleanup and bugfixes
Rewrote journal handler to mark and check for clean and dirty backups. Test for recovering kvstores.
Reducing number of tests for integration test