# Versions

## 0.1 
* initial release

## 0.1.1 
* flexibility: expose module VCache.Trie.Type

## 0.1.2 
* performance: lookup by prefix without allocation

## 0.2.0
* documentation: adding this changelog
* modified lookup' to receive user-defined 'deref' behavior
 * removes lookupc and modifies signature for lookup'
* lookup variants now use CacheMode0 by default

## 0.2.1
* performance: plain old bytestring ops for key reconstruction 
 * (from profiling) bytestring builder isn't helping at typical key sizes

## 0.2.2
* function: toListOnKey to support key-range lookups

## 0.2.3
* function: diff; find changes between two tries

## 0.2.4
* added 'functor' instance for the Diff datatype