# 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