Rework MenuBar. Add MenuButton. Add mouse event cascading to floaters. LinearLayout: spacing now applies to all children, not just those with expand. Fix Window resize request inside layouts. UnicodeGraphics: prepare for styling/theming.

from distutils.core import setup
from Cython.Build import cythonize

setup(
    ext_modules = cythonize("cython/sdlterm.pyx")
)