Merge pull request #12 from psyomn/upkeep/rotate-days

Rotate only days for now

Make expiry configurable

Merge pull request #8 from RAttab/remove-indexer

Remove the indexer

Re-add rill_query_all

Convert rill into a 2 column database

Remove stamp version check

4 is no longer supported so meh

Add size asserts on index write

Should help diagnose the source of a segfault when writting the index.

Add flock for rotation and split out acc

Arbitrary initial tag