KiTTY

What's new in this version:

- Upgrade pip automatically when creating a new virtualenv
- Add Auto-Focus for Input to the Debug I/O tool's Options menu, to raise and focus
- on the I/O buffer whenever a debug process is waiting for keyboard input
- Add Close All Terminated menu item to the Debug I/O tool's Options menu
- Auto-show the Debug I/O tool also for the second+ debug process
- Set the current debug process when auto-showing Debug I/O on output
- Change the default for auto-showing the Debug I/O tool to show it on first output only
- Implement vi mode :[range]y
- Position the multi-selection window correctly on Linux and allow it to be moved manually
- Don't show debug run markers for non-current debug processes
- Don't move breakpoints to a different line when undo or comment-toggle is used
- Fix importing matplotlib when the matplotlib font cache needs to be rebuilt
- Optimize matplotlib event processing with the MacOSX backend
- Fix the Testing tool when one of the regexes for project files isn't valid
- Allow copying only selected text from documentation
- Fix code warnings when AnyStr is used
- Fix disabling undefined attribute warnings of builtin types
- Supress spurious warnings for variables with typing.Type[] hints
- Avoid failure to update the analysis status in some cases
- Correctly report remote agent installation failure in all cases