Release 0.19.2 (2018-11-20)
Highlights:
- [buildifier] lint warn and fix modes added
- [buildozer] add dictionary handling
- [unused_deps] fix params file handling (works again)
- [buildozer,unused_deps] add -version flag to match buildifier behavior
- [all] update to latest versions of bazel, rules_go, gazelle, skylib