For reference, here's all the files and their new filenames:

aboutDialog.py    about_dialog.py
AutoComplete.py    autocomplete.py
AutoCompleteWindow.py    autocomplete_window.py
AutoExpand.py    autoexpand.py
Bindings.py    bindings.py
CallTips.py    calltips.py
CallTipWindow.py    calltip_window.py
ClassBrowser.py    class_browser.py
CodeContext.py    code_context.py
ColorDelegator.py    color_delegator.py
configDialog.py    config_dialog.py
configHandler.py    config_handler.py
configHelpSourceEdit.py    config_help_source_edit.py
configSectionNameDialog.py    config_section_name_dialog.py
Debugger.py    debugger.py
Delegator.py    delegator.py
dynOptionMenuWidget.py    dyn_option_menu_widget.py
EditorWindow.py    editor_window.py
FileList.py    file_list.py
FormatParagraph.py    format_paragraph.py
GrepDialog.py    grep_dialog.py
HyperParser.py    hyper_parser.py
IdleHistory.py    idle_history.py
idlever.py    idle_ver.py
IOBinding.py    io_binding.py
keybindingDialog.py    keybinding_dialog.py
macosxSupport.py    mac_osx_support.py
MultiCall.py    multi_call.py
MultiStatusBar.py    multi_status_bar.py
ObjectBrowser.py    object_browser.py
OutputWindow.py    output_window.py
ParenMatch.py    paren_match.py
PathBrowser.py    path_browser.py
Percolator.py    percolator.py
PyParse.py    pyparse.py
PyShell.py    pyshell.py
RemoteDebugger.py    remote_debugger.py
RemoteObjectBrowser.py    remote_object_browser.py
ReplaceDialog.py    replace_dialog.py
RstripExtension.py    rstrip_extension.py
ScriptBinding.py    script_binding.py
ScrolledList.py    scrolled_list.py
SearchDialog.py    search_dialog.py
SearchDialogBase.py    search_dialog_base.py
SearchEngine.py    search_engine.py
StackViewer.py    stack_viewer.py
tabbedpages.py    tabbed_pages.py
textView.py    text_view.py
ToolTip.py    tool_tip.py
TreeWidget.py    tree_widget.py
UndoDelegator.py    undo_delegator.py
WidgetRedirector.py    widget_redirector.py
WindowList.py    window_list.py
ZoomHeight.py    zoom_height.py
test_config_name.py    test_config_section_name_dialog.py
test_configdialog.py    test_config_dialog.py
test_formatparagraph.py    test_format_paragraph.py
test_grep.py    test_grep_dialog.py
test_hyperparser.py    test_hyper_parser.py
test_idlehistory.py    test_idle_history.py
test_parenmatch.py    test_paren_match.py
test_pathbrowser.py    test_path_browser.py
test_rstrip.py    test_rstrip_extension.py
test_searchdialogbase.py    test_search_dialog_base.py
test_textview.py    test_text_view.py
test_searchengine.py    test_search_engine.py
test_widgetredir.py    test_widget_redirector.py