fix #804 - order computed-bucket elements in strictly ascending order

Author: sammefford

src/test/java/com/marklogic/client/test/SearchFacetTest.java

@@ -91,13 +91,13 @@ public class SearchFacetTest {
     + "    <range type='xs:date' facet='true'>"
     + "      <element ns='http://nwalsh.com/ns/photolib' name='view'/>"
     + "      <attribute ns='' name='date'/>"
-    + "      <computed-bucket name='D0' ge='P0D'  lt='P1D' anchor='start-of-day'/>"
-    + "      <computed-bucket name='D1' ge='-P1D' lt='P0D' anchor='start-of-day'/>"
-    + "      <computed-bucket name='D2' ge='-P2D' lt='-P1D' anchor='start-of-day'/>"
-    + "      <computed-bucket name='D3' ge='-P3D' lt='-P2D' anchor='start-of-day'/>"
-    + "      <computed-bucket name='D4' ge='-P4D' lt='-P3D' anchor='start-of-day'/>"
-    + "      <computed-bucket name='D5' ge='-P5D' lt='-P4D' anchor='start-of-day'/>"
     + "      <computed-bucket name='D6' ge='-P6D' lt='-P5D' anchor='start-of-day'/>"
+    + "      <computed-bucket name='D5' ge='-P5D' lt='-P4D' anchor='start-of-day'/>"
+    + "      <computed-bucket name='D4' ge='-P4D' lt='-P3D' anchor='start-of-day'/>"
+    + "      <computed-bucket name='D3' ge='-P3D' lt='-P2D' anchor='start-of-day'/>"
+    + "      <computed-bucket name='D2' ge='-P2D' lt='-P1D' anchor='start-of-day'/>"
+    + "      <computed-bucket name='D1' ge='-P1D' lt='P0D' anchor='start-of-day'/>"
+    + "      <computed-bucket name='D0' ge='P0D'  lt='P1D' anchor='start-of-day'/>"
     + "    </range>"
     + "  </constraint>"