Fix for upper/lower case util
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@@ -41,13 +41,13 @@ function toVector2(x, y, z) {
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// ---------------------------------------------------------------------------
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function toUpperCase(val) {
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return val.toUpperCase();
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return String(val).toUpperCase();
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}
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// ---------------------------------------------------------------------------
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function toLowerCase(val) {
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return val.toLowerCase();
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return String(val).toLowerCase();
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}
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// ---------------------------------------------------------------------------
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