What's Changed
* Add multiprocessing support by pyper-dev in https://github.com/pyper-dev/pyper/pull/12
* Update readme by pyper-dev in https://github.com/pyper-dev/pyper/pull/13
Introduces breaking changes, but not incrementing major release version, as we are pre-release.
API should now be stable
**Full Changelog**: https://github.com/pyper-dev/pyper/compare/v0.3.1...v0.4.0