add example online game created with blessed.
fix text alignment.
different border drawing.
setCell function.
Revert "setCell function."

This reverts commit 34b7520c447f1402327779e36ebe4298120ffa25.
default fg/bg.
docs.
add padding option.
parsable attribute tags.
minor changes to sgr handling.
minor changes.
list resizing.
replace Text with Box element .shrink=true.