menu items divided in groups
tag editor: highlight active tags in yellow
args.pm: add_args(), preparing for .bapho-config
read args from ~/.baphorc, saner defaults
fix using $args before loading
cosmetic changes (comments/folds in Text::print())
Text: fix calculation of taller_font
Text: don't call SDL::TTF::font_height/ascent so often
Tags: pvt__read_tags returns hash, not array
Tags: pvt__set_tag() receive time as optional arg
Tags: save/restore timestamps, if >1
only include recent tags from the last 7 days