danvk/dygraphs — pull request #236 by wimme (2013-03-21 13:24:36+00:00)
Title: LogScale and Bars with negative values

When LogScale and customBars are enabled, it was verifying if the value was negative by using a <= on an array and then inserting a null. This caused exceptions in rollingAverage(), the value can't be null when using customBars.