Update changelog: describe ``future.autoconvert`` and some other changes
Update changelog: describe ``future.autoconvert`` and some other changes

michaelpacer/python-future,QuLogic/python-future,QuLogic/python-future,PythonCharmers/python-future,michaelpacer/python-future,PythonCharmers/python-future,krischer/python-future,krischer/python-future