Merge pull request #25 from metamx/roaring0516

Upgrade Roaring to 0.5.16

Author: xvrl

pom.xml

@@ -89,7 +89,7 @@
         <dependency>
             <groupId>org.roaringbitmap</groupId>
             <artifactId>RoaringBitmap</artifactId>
-            <version>0.5.13</version>
+            <version>0.5.16</version>
         </dependency>
 
         <!-- Tests -->