Adds 3.3.1 version (#278)

Author: spacether

pom.xml

@@ -436,7 +436,7 @@
     </dependencies>
     <properties>
         <!-- RELEASE_VERSION -->
-        <revision>3.3.0</revision>
+        <revision>3.3.1</revision>
         <!-- /RELEASE_VERSION -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>11</java.version>