Merge pull request #447 from Art4/release-v2.8.0

Release v2.8.0

Merge pull request #423 from Art4/release-v2.7.0

Release v2.7.0

Merge pull request #397 from Art4/release-2.6.0

Release v2.6.0

Merge pull request #373 from Art4/release-2.5.0

Release v2.5.0

Merge pull request #352 from Art4/release-2.4.0

Release v2.4.0

Merge pull request #328 from Art4/release-2.3.0

Release v2.3.0

Release v2.2.0

Release v2.1.1

Release v2.1.0

Release v2.0.1