comment.
unicode detect. docs. device attr. focus/blur. smacs checks.
always enabled terminfo. prop rename.
fix terminfo if/else. detect features.
clean up old code.
better color reduction.
lazily convert colors. other misc color fixes.
potential cursor handling during render.
improve mouse enabling.
make mouse coords zero indexed.
colors, line, and mouses fixes.
add mouse test.
easier feature checking.
fix padding implementation. tests.
minor property rename.
misc. add sigtstp method.
automatically optimize scrollable elements for csr and il/dl.
check scrollable elements for "clean" sides for CSR rendering.