V2.2 28.Sep.2010 allowed to use slash (/) instead of Tab as separator in data field. This allows easier manual data input since most browsers change focus when Tab key is pressed inside the data area.
V2.1 27.Sep.2010 y-axis max value now can be set by user to avoid bars from exceeding upper end of diagram. Additional force refresh added.
17.Jun 2010 use dot added, dot and tab highlighted, diagram now forced to refresh instead of being possibly reloaded from cache, x axis end value default increased to 1250, cumulative undersize checked by default