'Automated update v6.1.0'

'Automated update v6.0.1'

'Automated update v6.0.0'

'Automated update v5.0.0'

'Automated update v4.1.1'

'Automated update v4.1.0'

'Automated update v4.0.1'

'Automated update v4.0.0'

update version number

Update CHANGELOG.md