* Validate transformed AST before generating diff or writing changes (#26)
* Improve function argument modifiers to not require filters (#29)
* Better support for renaming dotted module names (#61, #72)
* Materialize file list before deciding how many processes to create (#70)
* Multiple documentation and site fixes (#50, #54, #55, #60)
* Debug mode now runs in a single process (#53)
* More test cases for helpers (#57)
* Build wheel distributions during release (#67, #71)
* Start tracking code coverage and upload results to coveralls.io (#71)
* Mark Bowler as requiring Python >= 3.6 (#71)

```bash
$ git shortlog -sn v0.6.0...
    26  John Reese
     5  Bojan Mihelac
     5  Leopold Talirz
     2  Tim Hatch
     1  Guru
     1  Philip Jameson
     1  peng weikang
```