Add support for int list options, specified using a comma seperated list of int
throw a runtime error when a wrong type is requested for an option
HighlightersFactories takes back a Window parameter
Add FlagLines highlighter

This highlighter show a given flag in front of each lines whose number
is present in a given int-list option
Add utf8_iterator::advance(CharCount, utf8_iterator end)
ncurses: fix unicode handling in status line
do not redraw the whole screen each time
Use a ColorPair in DisplayAtoms instead of separate fg/bg colors
colalias: always override
Use some builtins colors aliases instead of hardcoded values for highlighters
NCurses: fix redrawing when info or menu is hidden
InputHandler: extract word completion algorithm