Tokenz 0.2.0

• Other Macs: Tokenz adds the daily totals in a folder of CSV files, one per
  Mac in the format Export… writes, and shows the total on all Macs and
  each Mac's figures with the time its file last changed.
• Claude readings: an idle session can no longer set a reading back, and
  Tokenz rereads the percentage file every 10 seconds.
• Status line set up under 0.1.0: its script still lets an idle session
  save a lower figure, which Tokenz now ignores while it runs. To replace
  it, choose Remove…, then Set up…, in Settings, or, if your own status line
  passes its input to Tokenz, copy the new scripts/tokenz-statusline.sh
  over ~/.claude/tokenz-statusline.sh.
• Export… suggests the Mac's name for the file, and writes Gregorian dates
  whatever the Mac's calendar.