Update CHANGELOG.rst (#609)
Update CHANGELOG.rst (#609)

Co-authored-by: josemauro <8784a9f56c288c2a58415dbcd0dacb829b8746cd@live.com>
Co-authored-by: Humberto Diógenes <501403909cc9f280d7b309f538ccef48929a3684@gmail.com>
kytos/python-openflow