Tabula rasa!
Fix regression.
Fix regressions.
PersistentIndex in test.
Import dependencies from lib folder.
Add initial implementation of a persistent graph.
Cleanup.
Cleanup.
First working version of a PersistentGraph.
Cleanup.
Cleanup in Store implementations and additional method to create scoped SubStores.
Removed PersistentIndex.
Not a real change.
Removed legacy tests.