Conform to py3k dict.{keys, items, values} with some advice from 2b3

M    idlelib/configHandler.py
M    idlelib/ColorDelegator.py
M    idlelib/Delegator.py
M    idlelib/ObjectBrowser.py
M    idlelib/PyShell.py
M    idlelib/Debugger.py
M    idlelib/configDialog.py
M    idlelib/StackViewer.py
M    idlelib/keybindingDialog.py
M    idlelib/tabpage.py
M    idlelib/EditorWindow.py
M    idlelib/WindowList.py
M    idlelib/RemoteDebugger.py
M    idlelib/dynOptionMenuWidget.py