use black text color if /dev/theme is unavailable
man: better looking example
man: provide an example of mouse click controls
add -d option to specify date/time format
use display->image instead of reading /dev/screen
rewrite updateproc to a simple timerproc
bar: write to stdout the item that was clicked
resize when window needs expanding, make it current for resizing to work
use channel instead of wrong display locking
exit all threads when could not get the window
add information read from stdin