Prepare 0.5.0 release

Prepare 0.4.2 release

Merge pull request #52 from soluchok/improves_performance

perf: Improves performance for big documents

Merge pull request #46 from piprate/v0.4.0

Prepare 0.4.0 release

Merge pull request #24 from piprate/json11-dec-2019

JSON-LD 1.1 Support

Merge pull request #16 from piprate/v0.2.0

v0.2.0

Merge pull request #10 from piprate/version-0.1.1

Update change log and contributors list

Remove Maintainer Change Notification