v3.3.1

package.xml

 <package format="2">
   <name>dynamic_graph_bridge</name>
-  <version>3.0.8</version>
+  <version>3.3.1</version>
   <description>
 
      ROS bindings for dynamic graph.
@@ -16,7 +16,7 @@
     <rosdoc config="rosdoc.yaml" />
   </export>
 
-  <buildtool_depend>catkin</buildtool_depend> 
+  <buildtool_depend>catkin</buildtool_depend>
 
   <build_depend>std_msgs</build_depend>
   <build_depend>std_srvs</build_depend>