## 4.0.0

- update to latest level egg api (v3.0.0)

## 3.0.0

- update to latest level egg api (v2.0.0)

## 2.0.0

- expand-sublevels now requires a 'root' argument to expand up until
  (backwards incompatible change) - this is to make sure it can be
  safely used by libraries operating inside external sublevels

## 1.1.0

- added expand-sublevels procedure 
- now using records for underlying sublevel resources