prepare snapshot version

mpv1989 · mpv1989 · commit a24362372ebb · 2017-06-14T09:47:11.000+02:00
diff --git a/pom.xml b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>com.arangodb</groupId>
 	<artifactId>arangodb-java-driver</artifactId>
-	<version>4.2.0</version>
+	<version>4.2.1-SNAPSHOT</version>
 	<inceptionYear>2016</inceptionYear>
 	<packaging>jar</packaging>
 
