Bump version to 0.1.6-SNAPSHOT.

Change-Id: I7e10c262c799731218bd48299eb32ca1499d8934
diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index 7612df3..346b5c4 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -6,7 +6,7 @@
 
   <modelVersion>4.0.0</modelVersion>
 
-  <version>0.1.5</version>
+  <version>0.1.6-SNAPSHOT</version>
 
   <groupId>eu.mulk.jgvariant</groupId>
   <artifactId>jgvariant-parent</artifactId>