Lars Brubaker 86f08b2565 use a 64 bit hash of slice settings.		2016-05-03 11:26:41 -07:00
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agg-sharp@f1b1831dda	use a 64 bit hash of slice settings.	2016-05-03 11:26:41 -07:00
MatterSlice@076659a8b3	Don't crash if material null	2016-04-28 11:53:01 -07:00