Support for updating domain records

[bdawg24601]

Please add support for updating domain records.

[wacuuu]

#270 Is this the PR by chance?

[qencode-dev]

Hi team, just noticed you have enabled support for updating and deleting domain records in the github repo, but PyPi still has the old version. Meanwhile we just manually patched installed version but you might want to update it on PyPi :)