Avoid byte[] for versions.

Normand Briere

2019-08-01 c49ad213b600f844e9070cb09390c3e6d3d13db4

 GroupEditor.java
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@@ -358,7 +358,7 @@
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         if (copy.versions == null)
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         {
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-            copy.versions = new byte[100][];
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+            copy.versions = new Object3D[100];
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             copy.versionindex = -1;
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         }
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@@ -385,7 +385,7 @@
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         if (copy.versions == null)
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         {
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-            copy.versions = new byte[100][];
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+            copy.versions = new Object3D[100];
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             copy.versionindex = -1;
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             Save(true);