added the plumbing to marshall highlight regions between c and python
highlight regions setting and marshalling to the formatter is complete
region emph highlighting: wip
got the region selection mostly working. We're running into curses coloring issues again. It's time to write a proper coloring backend
curses backend handles colors much better now, but a few things were broken in the process (also bright doesn't work correctly): wip
bright attribute is fixed and some display_curses code cleanup