implement several features for me, including:
1. named labels
2. different labels on each monitor
3. numpad navigation
4. alphabetic navigation
5. other stuff

failed to implement:
6. cause each chrome browser to land in the right tag, for use with spawn script
(1) Rule add x, y, width, height
(2) rules[] chrome dimensions
(3) teach applyrules() to honor Rule.x, y, width, height
add 10 rules
uncomment title-based rules
(1) add a rule for snippets title
(2) make chrome open on monitor 0