Set version to 4.5.9-SNAPSHOT

Author: vietj

pom.xml

@@ -24,12 +24,12 @@
   </parent>
 
   <artifactId>vertx-http-proxy</artifactId>
-  <version>4.5.8</version>
+  <version>4.5.9-SNAPSHOT</version>
 
   <name>Vert.x Http Proxy</name>
 
   <properties>
-    <stack.version>4.5.8</stack.version>
+    <stack.version>4.5.9-SNAPSHOT</stack.version>
     <fatjar.dir>${project.build.directory}</fatjar.dir>
     <doc.skip>false</doc.skip>
     <jar.manifest>${project.basedir}/src/main/resources/META-INF/MANIFEST.MF</jar.manifest>