Bump version number to 1.21.
|@@ -62,6 +62,7 @@|
|* Allow drawing series with fill but no stroke (line), by @drewnoakes|
|* v1.19: Avoid unnecessary repaints, and fixed flicker in old browsers having multiple charts in document (#40), by @asbai|
|* v1.20: Add SmoothieChart.getTimeSeriesOptions and SmoothieChart.bringToFront functions, by @drewnoakes|
|+ * v1.21: Add 'step' interpolation mode, by @drewnoakes|