Prompt-toolkit

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New features:
- By default, in shortcuts, only show search highlighting when the search is
the current input buffer.
- Accept 'count' for all search operations. (For repetition.)
- `shortcuts.create_default_layout` accepts a `multiline` parameter.
- Show meta display text for completions also in multi-column mode.

Fixes:
- Correct invalidation of DefaultPrompt when search direction changes.
- Correctly include/exclude current cursor position in search.
- More consistency in styles.
- Fix in ConditionalProcessor.has_focus.
- Python 2.6 compatibility fix.
- Show cursor at the correct position during reverse-i-search.
- Fixed stdout encoding bug for vt100 output.

Backwards-incompatible changes:
- Use of `ConditionalContainer` everywhere. The `Window` class no longer
accepts a `filter` argument to decide about the visibility. Instead
wrapping inside a `ConditionalContainer` class is required.

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Fixes:
- Bug fix on OS X: correctly detect platform as not Windows.

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Fixes:
- Fixed bug in eventloops: handle timeout correctly, even when there is an eventhook.
- Bug fix in open-in-editor: set correct cursor position.

New features:
- CompletionsMenu got a scroll_offset.
- Use 256 colors and ANSI sequences when ConEmu ANSI support has been detected.
- Added PyperclipClipboard for synchronization with the system clipboard.
and clipboard parameter in shortcut functions.
- Filter for enabling/disabling handling of Vi 'v' binding.

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Fixes:
- Windows bug fix. STD_INPUT_HANDLE should be c_ulong instead of HANDLE.
(This caused crashes on some systems.)

New features:
- Added eventloop and patch_stdout parameters to get_input.
- Inputhook support added.
- Added ShowLeadingWhiteSpaceProcessor and ShowTrailingWhiteSpaceProcessor
processors.
- Accept Filter as multiline parameter in 'shortcuts'.
- MultiColumnCompletionsMenu + display_completions_in_columns parameter
in shortcuts.

Backwards incompatible changes:
- Layout.width was renamed to preferred_width and now receives a
max_available_width parameter.

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Fixes:
- Support for Windows cmder and conemu consoles.
- Correct handling of unicode input and output on Windows.

New features:
- Support terminal titles.
- Handle Control-Enter as Meta-Enter on Windows.
- Control-Z key binding for Windows.
- Implemented alternate screen buffer on Windows.
- Clipboard became an ABC and InMemoryClipboard default implementation.

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Fixes:
- Emacs Control-T key binding.
- Color fix for Windows consoles.

New features:
- Allow both booleans and Filters in many places.
- `password` can be a Filter now.