fix: Pile not changing focus with mouse since container changes
widgets.rst: fixed typo
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 docs/manual/widgets.rst |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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extra : transplant_source : H%FE%E5%DA%B44%819%E0x%87%C4%9F%EAA%A9%09%DF%E0%E5
add get_focus_widgets container method
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 urwid/container.py |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)
copy get_focus_widgets() docs into manual
pep8 fixes for graphics.py
Retry setup without C extension if building it failed.
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 setup.py |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
Broke tests out into individual test files.
fix test_suite for split up test files
setup.py: missing traceback import, skip retry when testing
test showing Columns.move_cursor_to_coords not handling left/right
fix for Columns.move_cursor_to_coords not handling left/right
second fix for Columns.move_cursor_to_coords

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extra : transplant_source : %FB%12%87%29d%C0%F8%7D/%C2%1C%05T%DCW%84MjEr
allow Screen.set_mouse_tracking(False) to disable mouse tracking