What's Changed
* Add symmetric encrypt and decrypt support by adlermedrado in https://github.com/adlermedrado/ShadowData/pull/17
* Release update and example improvement by adlermedrado in https://github.com/adlermedrado/ShadowData/pull/18
**Full Changelog**: https://github.com/adlermedrado/ShadowData/compare/0.3.0...0.4.0