palantir/plottable — pull request #444 by jtlan (2014-05-21 02:01:14+00:00)
Title: Allow nonunique x/y values on BarRenderer/HorizontalBarRenderer

Previously data binding was keyed on the x-value, so if bars shared
the same x-value only the first would be drawn (The same thing for
shared y-values on HorizontalBarRenderer).

Close #435.