DmitryBaranovskiy/g.raphael — pull request #156 by blackwatertepes (2012-06-16 22:43:38+00:00)
Title: Fix for issue #155 (Pie chart with slices of 0 size)

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1. If a sector's value equals the total, then a circle is rendered, instead of a path
2. If a sector has a value of 0, then the stroke is set to 0, to prevent an arbitrary line from rendering